Licensure Examination for Foresters 6. The plant source of kamala powder.

a. Narra
SECTION III : FOREST UTILIZATION AND b. Banato
ENGINEERING c. Ipil-ipil
d. Sibukaw
1. The process by which gums are produced by
e. Almaciga
plants.
a. Gummification
b. Gum formation 7. The following have storied arrangement of
c. Gummosis wood
d. Gum disintegration rays except
e. Gum production a. Narra
b. Spanish cedar
c. Manggis
2. Type of pit pair that is common in softwoods.
d. All of the mentioned
a. Simple pit pair
e. None of the mentioned
b. Bordered pit pair
c. Half-bordered pit pair
d. Blind pit 8. Strips or boards separating the layers or
e. None of the mentioned courses of
lumber in a pile
a. Slickers
3. Condition at which the moisture in wood
b. Snickers
balances
c. Thinners
that of atmospheric conditions.
d. Stickers
a. EMC
e. None of the mentioned
b. FSP
c. Green
d. Zero MC 9. Which of the following is true:
e. None of the mentioned I. MOE is the ratio of strain to stress below the
proportional limit.
II. A low MOE value means low resistance to
4. The weight of a 9-cm3 Dalindingan sample
deformation.
with a
a. I only
specific gravity of 0.64 and moisture content of
b. II only
12%
c. Both I and II
is closest to:
d. Neither I or II
a. 5.76 g
e. Undecided
b. 6.45 g
c. 6.53 g
d. 7.15 g 10. This process is done to have square ends,
e. None of the mentioned desired
length and to eliminate defects in lumber.
a. Sawmilling
5. Section of the Fourdrinier paper machine
b. Edging
where the
c. Trimming
sheets pass through very smooth and heavy
d. Squaring
rolls to
e. None of the mentioned
impart smooth finish to the paper.
a. Calendar section
b. Wet section 11. The process of essential oil extraction used
c. Press section for
d. Drier section delicate materials like citrus peels, lemon, lime
e. None of the mentioned orange, etc.
a. Solvent extraction
b. Distillation b. Gum chicle
c. Expression c. Gutta percha
d. Ethanol extraction d. Apitong gum
e. None of the mentioned e. None of the mentioned

12. This cell wall layer dictates the overall 17. The following are true about tension wood
behaviour except
of the wood. a. Presence of gelatinous layer
a. Primary wall b. High lignin content
b. Compound middle lamella c. High cellulose content
c. S1 d. All of the mentioned
d. S2 e. None of the mentioned
e. S3
18. Most naturally occurring polymer and is built
13. A wood seasoning defect that is defined as from
any several thousand glucose
deviation of the face or edge of a board from a. Cellulose
flatness b. Holocellulose
or any edge that is not at right angles to the c. Hemicellulose
adjacent d. Lignin
face or edge. e. Resin
a. Collapse
b. Surface rupture 19. The MOE of Red Lauan is known to be 1.35
c. Warp x 106
d. Splits psi. By how much will a 3” x 4” x 4’ Red Lauan
e. None of the mentioned post
be shortened if it is compressed parallel to grain
14. Which of the following is true: by a
I. Compressive tress tends to shorten the wood. load equal to 80,000 lbs?
II. Tensile stress tends to make one part of a a. 0.0198”
material slip past b. 0.1778”
the material adjacent to it. c. 0.1878”
a. I only d. 0.2370”
b. II only e. 1.0023”
c. Both I and II
d. Neither I or II 20. This process involves the exposure of
e. Undecided fiberboard
to kilns at high humidity and temperature until
15. The machine that can be used to produce EMC
long is reached
continuous veneers. a. Heat treatment
a. Two-man saw b. Oil tempering
b. Slicer c. Conditioning
c. Rotary cutter d. Hot pressing
d. Splicer e. Wet pressing
e. All of the mentioned
21. It refers to market or subsistence goods and
16. It is the best gum used for the insulation of services for human or industrial consumption
submarines and underground electrical cables. derived
a. Binunga gum from renewable forest resources and biomass
besides e. None of the mentioned
industrial timber and pulp.
a. NTFP 26. On top of the rental fees, this money is also
b. Handicraft collected to would-be rattan concessionaires to
c. Natural resources be
d. Wildlife used for replanting the site.
e. None of the mentioned a. Rattan special deposit
b. Rattan mutual fund
22. These are secreting cells surrounding the c. Rattan replanting fund
cavities d. Rattan fund
of longitudinal and transverse canals. e. None of the mentioned
a. Resin ducts
b. Epithelial cells 27. Species with empty, concentric resin ducts.
c. Vasicentric tracheids a. Apitong
d. Fibers b. Api-api
e. None of the mentioned c. Guijo
d. Mayapis
23. Polysaccharides with much lower molecular e. None of the mentioned
weight than cellulose and serve as “matrix”
material 28. Dominant hemicellulose found in softwoods
in the woody plant cell wall. (about
a. Cellulose 20% of dry weight).
b. Holocellulose a. Arabinoglucorunoxylan
c. Hemicellulose b. Arabinogalactan
d. Lignin c. Galactoglucomannan
e. Glucose d. Glucorunoxylan
e. None of the mentioned
24. A round wooden post (MOE = 1.56 x 106
psi), 4’ 29. What load is necessary to break a 2” x 2”
in length, is to be loaded to the proportional limit static
in bending sample loaded at the center in a
compression. What minimum diameter is universal
required for testing machine if it has a MOR of 7,000 psi?
the said post to support a 75,000 lbs load Assume
without the span to be 50”.
exceeding its stress at proportional limit of a. 154 lb
2,800 psi? b. 411 lb
a. 5.84” c. 821 lb
b. 7.56” d. 1,925 lb
c. 10.12” e. 334.56 lb
d. 34.11”
e. 3.25” 30. What is the standard volume of a piece of
lumber
25. Which of the following panels can be with the dimensions 1 ¾” x 6 ¾” x 12’6?
produced in a. 10 bf
a much similar manner to papermaking? b. 11 bf
a. Particleboard c. 10.5 bf
b. Fiberboard d. 12 bf
c. Cement bonded board e. Cannot be determined
d. Wood plastic composites
31. It is the Administrative Order that aims to 35. Which of the following rough lumber pieces
safeguard has
the rattan resources by ensuring the standard dimensions?
sustainability of a. 5/8” x 2 ¾” x 10’5”
the resource by providing a system that b. 5/8” x 2” x 10.5’
rationalizes c. 5/8” x 2” x 10’
rattan harvesting. d. 5/8” x 2 ¾” x 10’
a. DAO no. 4 S 1989 e. None of the mentioned
b. DAO no. 58 S 1987
c. MAO no. 37 S 1986 36. What is (are) the form(s) of non-timber
d. DAO no. 41 S 1991 regeneration?
e. None of the mentioned a. Seeds
b. Suckers
32. Classification of hardwoods based on size c. Cuttings
and d. All of the mentioned
distribution of pores. e. None of the mentioned
a. Grain
b. Texture 37. Wing-like or eye-like formation of
c. Luster parenchyma.
d. Topography a. Diffuse in aggregates
e. None of the mentioned b. Aliform
c. Boundary
33. Dominant hemicellulose found in d. Banded confluent
hardwoods (size e. Ring-porous
15-30% of dry weight).
a. Arabinoglucorunoxylan 38. Which of the following statements is TRUE
b. Arabinogalactan about
c. Galactoglucomannan LIGNIN?
d. Glucorunoxylan a. Serves as cementing substance that binds
e. None of the mentioned wood cells together
b. Imparts stiffness and rigidity to the cell wall
34. A simple beam carries a concentrated load c. Increases the toxicity of wood to
of microbiological agents of decay
3,000 pounds four feet from the left support and d. All of the mentioned
a e. None of the mentioned
4-ft long uniformly distributed load of 600
pounds 39. A plywood type that can be used outdoors
per foot with one end located five feet from the a. Type I
left b. Type II
support. The span (distance between supports) c. Type III
is 12 d. Type IV
ft. the magnitudes of the reactions (left support- e. None of the mentioned
RA
right support-RB) on the said beam are: 40. The following are characteristics of the
a. RA= 1,550 lb; RB= 3,850 lb planning
b. RA= 2,000 lb; RB= 3,400 lb process except:
c. RA= 3,000 lb; RB= 2,400 lb a. Peripheral milling
d. RA= 3,200 lb; RB= 2,200 lb b. Orthogonal cutting
e. None of the mentioned c. Intermittent action
d. Residues are in chips form
e. None of the mentioned c. Twinners
d. All of the mentioned
41. It is the powder that produces bright orange e. None of the mentioned
dye that is extracted from the Banato (Mallotus
philippinensis) used for dyeing silk. 47. The impermeable of the modified pit
a. Indigo membrane
b. Kamala of softwoods
c. Sibukaw a. Pit aperture
d. All of the mentioned b. Pit cavity
e. None of the mentioned c. Torus
d. Margo
42. The following are part of the xylem except e. Half-bordered pit
a. Pith
b. Wood rays 48. The moisture content of the 50.16 cm3
c. Early wood wood at
d. All of the mentioned green condition with the weight of 35.58 g is
e. None of the mentioned closest
to
43. Softwood Lignin is called guaiacyl lignin a. 36%
while b. 40%
Hardwood is called c. 48%
a. Guaiacyl-syringyl lignin d. 67%
b. Syringyl lignin e. None of the mentioned
c. Klason lignin
d. Syringyl-guaiacyl lignin 49. The weight of the 44.42 cm3 wood at 12%
e. None of the mentioned MC
with its given weight at 21.25 g is
44. The following statements is/are TRUE about a. 23.80 g
extractives except b. 24.15 g
a. Are chemical components that are c. 27.18 g
extraneous to the cell wall d. 41.41 g
b. Can be extracted with neutral solvents e. None of the mentioned
c. Imparts color and natural durability to wood
d. All of the mentioned 50. For the given specimen in number 49, the
e. None of the mentioned maximum
volumetric shrinkage is closest to:
45. The following chemicals are added in the a. 6%
pulp as b. 11%
fillers except c. 13%
a. Rosin d. 14%
b. Clay e. None of the mentioned
c. Talc
d. Calcium sulfate 51. It is a rattan genus with the least number of
e. Zinc sulfide representatives.
a. Calamus
46. It is the climbing appendages of rattan b. Plectocomia
which are c. Korthalsia
actually an extension of the midrib of leaves d. Daemonorops
a. Flagellum e. None of the mentioned
b. Cirrus
52. The following are properties common to all c. Lesser extractives
wood d. All of the mentioned
except e. None of the mentioned
a. Cellular in structure
b. Flammable 58. Group of invertebrates that burrow and
c. Hygroscopic attack
d. All of the mentioned wood submerged in marine waters.
e. None of the mentioned a. Marine fungi
b. Marine borers
53. It is the science of protecting wood against c. Marine insects
the d. All of the mentioned
action of destructive agents e. None of the mentioned
a. Wood enhancement
b. Wood protection 59. When wood is wet, it
c. Wood preservation a. is lighter
d. B and C only b. accepts glue more easily
e. None of the mentioned c. absorbs paints more readily
d. is more prone to decay
54. This type of water is removed from wood if it e. all of the mentioned
loses
moisture above fiber saturation point. 60. The type of plywood where the core is built
a. Bound water up
b. Free water with blocks of wood 2-3 inches wide
c. Water of constitution a. Laminboard construction
d. Water of hydration b. Battenboard construction
e. None of the mentioned c. Blockboard construction
d. Banded construction
55. Veneers designed to produce expensive e. None of the mentioned
veneers
for decorative applications are generally cut by 61. A clump forming plant that is the main
a. Pit sawing source of
b. Stay log cutting starch or sago flour.
c. Rotary cutting a. Anahaw
d. Slicing b. Nipa
e. None of the mentioned c. Coconut
d. Ambolong
56. The type of plant that produces flowers and e. African Oil Palm
bears
fruit only once in its lifetime. 62. The following are characteristics of
a. Monogamous springwood
b. Monocarpic except
c. Monocarpus a. Thin-walled
d. Monopodial b. Larger lumen diameter
e. None of the mentioned c. Formed when water is abundant
d. All of the mentioned
57. The following are characteristics of e. None of the mentioned
sapwood
except: 63. These are toxic chemicals dissolved in
a. Living part volatile,
b. Inner xylem non-polar organic solvent (petroleum distillate).
Common solvent carrier used include light or of using
heavy Oil-borne Preservatives in treating wood
fuel oil, kerosene, petrol and LPG. except:
a. Oil preservatives a. Wood dries quickly after treatment and
b. Water-borne preservatives preservatives does not
c. Oil-borne preservatives readily leached out
d. All of the mentioned b. Treatment does not cause swelling or
e. None of the mentioned distortion
c. Treated wood is clean, paintable and
64. The wood is said to be at its _________ glueable
when d. Price is very affordable
it is dried to the extent that all the water in the e. None of the mentioned
cell
lumen is gone while the cell walls are still 69. At a constant temperature, a decrease
saturated in %RH
with water. will result to:
a. Equilibrium moisture content a. An increase in the EMC of the wood
b. Fiber saturation point b. A decrease in the EMC of the wood
c. Maximum moisture content c. No change in EMC since temperature is
d. Ovendry condition constant
e. Relative humidity d. Either an increase or decrease in EMC,
depending upon the species
65. Which of the following chemicals are used e. All of the mentioned
in kraft
pulping of wood? 70. Substances with adhesive properties added
a. NaOH and Na4S to the
b. NaOH and H2SO4 glue mix to reduce glue cost are called
c. NaOH and Na2CO3 a. Fillers
d. H2SO3 and HSO3 b. Extenders
e. H2SO4 and HSO3 c. Resin
d. Catalyst
66. Genus of a monopodial or non-clump e. Stickers
forming
bamboo. 71. The part of the tiger grass used in the
a. Bambusa manufacture
b. Dendrocalamus of broom.
c. Gigantochloa a. Spikelets
d. Phyllostachys b. Spicles
e. None of the mentioned c. Panicles
d. Paniklets
67. The following are characteristics of e. None of the mentioned
hardwoods
except: 72. These are involved in the formation of the
a. Lacks radial alignment fundamental parts of the plants
b. More cell types a. Mechanical tissues
c. More varied width of wood rays b. Primary tissues
d. All of the mentioned c. Primary meristems
e. None of the mentioned d. Lateral meristems
e. Secondary meristems
68. The following are some of the advantages
73. This process of applying preservative in 78. Decomposition of wood components at
wood elevated
results in deeper penetration and uniform temperatures resulting in color changes,
chemical strength
absorption. losses, reduction in hygroscopicity and
a. Pressure process evolution of
b. Non-Pressure process gasses and water vapour.
c. Combination process a. Wood decomposition
d. Automatic process b. Thermal decomposition
e. Artificial process c. Chemical decomposition
d. A and B only
74. At 14% MC, a certain specimen of wood e. None of the mentioned
has a
volume of 75 cm3. When soaked in water, it 79. For a piece of wood, as moisture content
exhibited (below
a 9% volumetric swelling. The final volume of fsp) increases, the following properties also
the increase
specimen is therefore closest to except
a. 68.25 cm3 a. Density
b. 5.90 cm3 b. Specific gravity
c. 81.75 cm3 c. Volume
d. 85.50 cm3 d. Weight
e. 153.67cm3 e. None of the mentioned

75. Fillers are added in the glue formulation to 80. Screenback is a characteristic impression
a. Impart some adhesive property on the
b. Reduce excessive glue penetration back surface of
c. Minimize bleedthrough a. MDF
d. All of the mentioned b. Hardiflex®
e. Only b and c c. Lawanit®
d. Plywood
76. The bast fiber-producing plant species to e. None of the mentioned
the
Thymeliaceae family. 81. Niog-niogan is a woody vine of the
a. Salago Combretaceae
b. Malabuho family used to treat cough while its fruit is used
c. Anabo to
d. Kollo kollot ________.
e. None of the mentioned a. Anti-intestinal worms
b. Anti-diarrhea
77. The following are characteristics of woody c. Anti-rheumatism
plants d. Anti-hypertensive
except: e. All of the mentioned
a. Must possess vascular tissues
b. Must have a stem that persists for a short 82. The following are attributed to the presence
period of time of
c. Must exhibit secondary thickening extractive in wood except
d. Must be perennial plants a. Color
e. None of the mentioned b. Odor
c. Taste
d. All of the mentioned a. EMC
e. None of the mentioned b. FSP
c. DBT
83. Some of the advantages in drying wood d. WBT
include e. None of the mentioned
a. Decrease in weight: cheaper to transport
b. More stable in service 89. A cable can support as much as 1.2 metric
c. Properties of wood are improved tons of
d. All of the mentioned cargo. A total of 220 boards conditioned is 0.65
e. None of the mentioned g/cm3.
Also, each board measures 2” x 6” x 8’. How
84. Above fsp, many
a. Shrinkage occurs loadings are required to transport all the
b. Swelling occurs boards?
c. Rate of increase in density is slower than a. 2
when it is below fsp b. 3
d. Specific gravity is constant c. 4
e. None of the mentioned d. 5
e. 6
85. The process of improving the brightness of
pulp 90. Which is not a basic operation in lumber
used in paper-making is called manufacture?
a. De-inking a. Headsawing
b. Bleaching b. Planning
c. Refining c. Resawing
d. Cooking in digesters d. Edging
e. None of the mentioned e. Debarking

86. An emmenagogue is the type of medicine 91. The stem of this plant when macerated in
that cold
promotes: water is used as hair and scalp cleansing
a. Menstrual discharge agent.
b. Urination a. Balanoy
c. Blood clotting b. Bangkoro
d. Ooze discharge c. Gogo
e. None of the mentioned d. Sambong
e. All of the mentioned
87. The following are wood species for
structural 92. The following are species for pulp and
applications except: paper
a. Yakal production except:
b. Gmelina a. Gmelina
c. Guijo b. Mangium
d. Apitong c. Himbabao
e. None of the mentioned d. All of the mentioned
e. None of the mentioned
88. % MC at which the cell walls are saturated
with 93. In drying wood, heat is needed
water while no free water remains in the cell a. To evaporate the moisture contained in the
cavities wood
b. To overcome the force that binds water with mixture
wood below fsp c. Affects the rate of evaporation of moisture
c. To heat the wood substance from the surfaces of
d. All of the mentioned wet wood exposed
e. None of the mentioned d. All of the mentioned
e. None of the mentioned
94. The density of wood at 10% MC is the ratio
of the 99. The density of wood at 10% MC is the ratio
weight of the wood at that moisture content to of the
the weight of the wood at that moisture content to
volume of the wood at the
a. 10% MC volume of the wood at
b. Green condition a. 10% MC
c. FSP b. Green condition
d. Ovendry condition c. FSP
e. None of the mentioned d. Ovendry condition
e. None of the mentioned
95. Which of the following is not an objective of
edging? 100. Which is not a property of plywood?
a. Removes wany edges a. Alternate grain direction adjacent plies
b. Removes bark b. Usually odd number of veneers
c. Results in parallel sides c. Limited surface area
d. Squares the ends d. Possibility of matched and symmetrical faces
e. None of the mentioned e. None of the mentioned

96. The type resin that resin that contains little 101. A collective term for logging and
amount processing
of essentials oils. wastes.
a. Hard Resins a. residuals
b. Soft resins b. thinnings
c. Oleo resins c. woodwastes
d. Gums d. culls
e. None of the mentioned e. none of the mentioned

97. The following are properties of juvenile 102. It is an indication of the amount of wood
wood substance
except: contained in a given volume of the material. It is
a. Cells are shorter the
b. Produced during the early stage of wood best measure of the strength quality of wood.
development a. specific gravity
c. Greater shrinkage and swelling b. density
d. All of the mentioned c. equilibrium moisture content
e. None of the mentioned d. fiber saturation
e. none of the mentioned
98. Which of the following is TRUE about
Relative 103. A mechanical or other set-up used to
Humidity of Air? impregnate
a. Limits the MC of the surface layers of the or coat wood with chemicals in pressure or
wood at any given time immersion
b. Defines the drying capacity of the air vapour tank to increase the service life of wood.
a. dryer d. destructive distillation or carbonization
b. wood treating plant e. none of the mentioned
c. preservative
d. seasoning 108. A cementing agent that binds the cellulose
e. none of the mentioned together to form wood.
a. lignin
104. One of the best natural resins used in b. glue
varnish c. starch
and paint manufacture derived from almaciga d. cell wall
trees. e. none of the mentioned
a. Manila copal
b. Balau 109. A device used in finding areas in maps
c. Manila elemi a. triangle
d. Turpentine b. engineer’s scale
e. None of the mentioned c. pantograph
d. planimeter
105. The central portion of a log left in the e. none of the mentioned
process of
producing veneer sheets with the use of rotary 110. The volume of log input needed to sustain
lathe. the
a. log ends operation of a wood processing plant at
b. log core attainable
c. core board capacity for a period of one (1) year.
d. brash center a. annual log requirement
e. none of the mentioned b. allowable cut
c. annual growth
106. A special type of map which shows, by the d. log production
use e. none of the mentioned
of suitable symbols, the configuration of the
earth’s 111. A defect characterized by irregular and
surface called relief, other natural features such abnormal
as shrinkage, which occurs above the fiber
trees and streams and the physical changes saturation
brought point. It is due to buckling and crushing of the
upon the earth’s surface by the works of man, cell
such as walls.
houses, roads, etc. a. heartcheck
a. topographic map b. collapse
b. land-use map c. butt rot
c. hydrographic map d. warping
d. geographic map e. none of the mentioned
e. none of the mentioned
112. Part of a sawmill set-up which is
107. The process of converting hydrocarbon essentially a
compounds vehicle used to carry the log while it is being fed
at high temperature into a solid residue rich in into
carbon. the saw for conversion into lumber.
a. lignification a. carriage
b. vaporization b. gangsaw
c. hydrogenation c. edger
d. trimmer d. relative humidity
e. none of the mentioned e. none of the mentioned

113. A non-elastic rubber derived from the latex 118. In a glue mix, these are usually inert or
of relatively
several members of the genus Palaquium. non-adhesive substances added to the
a. Manila copal adhesive to
b. Gutta percha improve its working properties, permanence,
c. Balau strength
d. Manila elemi and other qualities.
e. None of the mentioned a. extenders
b. fillers
114. The term used to describe any distortion c. paint
from the d. varnish
true plane that may occur in a piece of wood e. none of the mentioned
during
seasoning. 119. The extractable material in certain plants
a. warping having
b. brash center the ability to convert hide into leather.
c. collapse a. tannin
d. casehardening b. gum resin
e. none of the mentioned c. lignin
d. exudates
115. An abnormal type of wood generally found e. none of the mentioned
in leaning stems and branches of softwoods
and 120. These are living organisms belonging to
hardwoods. the Mollusk
a. knot and Crustaceans which inhabit salt and
b. burl brackish water
c. canker and inflict extensive damage on submerged
d. reaction wood wooden
e. none of the mentioned structures or those exposed to low tide.
a. termites
116. Which of the following families produces b. fungi
softwood c. beetles
species? d. marine borers
a. Meliaceae e. none of the mentioned
b. Podocarpaceae
c. Leguminosae 121. The abnormal wood produced in the upper
d. Verbenaceae side
e. None of the mentioned of leaning stems of hardwood.
a. bump
117. A theoretical state of which all the free b. unsound wood
water c. tension wood
has evaporated leaving only the bound water in d. compression wood
the e. none of the mentioned
cell wall.
a. shrinkage 122. Water in the wood that is associated with
b. fiber saturation point the
c. equilibrium moisture content cell wall material, the removal of which below
the d. ring shake
fiber saturation point cause the cell wall to e. none of the mentioned
shrink.
a. bound water 127. It is the vertical distance to points or
b. free water objects
c. water vapor above the earth’s surface.
d. moisture meter a. control point
e. none of the mentioned b. elevation
c. altitude
123. Which of the following species produces d. flying height
the e. none of the mentioned
hardest and heaviest wood?
a. Ceiba pentandra 128. An unedged lumber produced from a log
b. Vitex parviflora which
c. Xanthostemon verdugonianus has been sawn without passing through the
d. Sterculia cermanica edger and
e. None of the mentioned stickered back into its original form.
a. pallet
124. One of the premium hardwood species b. flitch
commonly c. timber
used in furniture and paneling for export. d. boule
a. Pterocarpus indicus e. none of the mentioned
b. Shorea squamata
c. Albizzia falcataria 129. The presence of this in wood causes
d. Pinus insularis deleterious
e. None of the mentioned effects on working tools.
a. tyloses
125. Lumber that has been surfaced by a b. crystal
planing c. silica
machine for purposes of attaining smoothness d. resins
of e. none of the mentioned
surfaces and uniformity of size on one edge or
a 130. Water in the cells wall materials of wood is
combination of sides and edges. called
a. worked lumber bound water while those in the cell lumina is
b. matched lumber called
c. patterned lumber a. moisture content
d. dressed lumber b. free water
e. none of the mentioned c. humidity
d. water vapor
126. It is defined as the amount of deviation e. none of the mentioned
from a
straight line drawn from end to end of the log, 131. It is a term used to indicate the rate of flow
over of
and above the amount of taper. It is a gradual gases and fluids in wood.
curve a. absorption
extending to the whole length of the log. b. swelling
a. sweep c. permeability
b. crook d. fluidity
c. center rot e. none of the mentioned
132. Lumber cut so that the wide face of the d. high lead
board is e. none of the mentioned
principally radial is called:
a. plan sawn 137. When a log scale exceeds the lumber
b. flat sawn output, it
c. dressed lumber is said to be:
d. quarter sawn a. over run
e. none of the mentioned b. mill tally
c. under run
133. On the other hand, lumber cut so that the d. 100% utilization
wide e. none of the mentioned
face of the board is tangential is said to be
a. quarter sawn 138. Bark or the lack of wood from any cause
b. edge-grained on the
c. plain sawn edge or corner of a piece of lumber.
d. tongued and grooved a. wane
e. none of the mentioned b. slab
c. miscut
134. It consists of cells which serve as storage d. cat-face
and e. none of the mentioned
conduction of food materials; these cells
contain living 139. It is a broad term for various kinds of sheet
protoplasm while they are in the sapwood, but materials very much thicker than paper and
lose made
their protoplasm when the sapwood is from wood fibers or other vegetable products:
transformed a. plywood
into heartwood. b. fiberboard
a. wood parenchyma c. plyboard
b. wood rays d. veneer
c. vessels e. none of the mentioned
d. resin canals
e. none of the mentioned 140. Deformation of the boards where the
surface or
135. A warping defect defined as a longitudinal edges are not lying on the same plane:
curvature, flat-wise, from a straight line, drawn a. collapse
from b. splits
end to end of the piece. c. warp
a. case hardening d. honey combing
b. check e. none of the mentioned
c. bowing
d. shake 141. A machine which converts sawmill wastes
e. none of the mentioned not
otherwise used, such as slabs, edgings,
136. A yarding technique which is considered trimmings,
more defective boards and miscuts into small roughly
destructive compared to truck logging or tractor sized
logging. pieced to be used for fuel.
a. skidding a. wood hog
b. siwash b. feed work
c. hauling c. resaw
d. ripper d. 1/5 of the total possible shrinkage
e. none of the mentioned e. none of the mentioned

142. What is the moisture content of a piece of 146. By the 3-4-5 method, the lengths of the
wood if opposite
the green weight is 200 grams and the ovendry and adjacent sides are 66 and 88 meters,
weight respectively.
is 160 grams? The length of the 3rd side is
a. 50% a. 93 meters
b. 25% b. 99 meters
c. 15% c. 120 meters
d. 40% d. 110 meters
e. none of the mentioned e. none of the mentioned

143. Uneven shrinkage, usually developing in 147. One of the premium hardwood species
squares commonly
in which the growth increments extend used in furniture making and paneling.
diagonally so a. Bakauan
that the faces of the piece are neither flat nor b. Apitong
edge- c. Narra
grained. This defect is due to the discrepancy d. Molave
existing e. none of the mentioned
between radial and tangential shrinkage.
a. bowing 148. A hardwood species commonly used for
b. twisting matchsticks and chopsticks
c. diamonding a. Yemane
d. cupping b. Gubas
e. none of the mentioned c. Taluto
d. Yakal
144. Principal chemical constituent of the cell e. none of the mentioned
walls;
complex carbohydrate occurring in the form of 149. The observed dimensional changes in
polymer wood are
chains. unequal along the three structural directions.
a. lignin This
b. cellulose phenomenon is an indication that wood is
c. holocellulose a. anisotropic
d. alpha cellulose b. hygroscopic
e. none of the mentioned c. isotropic
d. microscopic
145. Wood shrinks and swells as a result of the e. none of the mentioned
change
in moisture content below fiber saturation point. 150. Skidding or forwarding to move the log
It from
has been shown that for each percent decrease stumps area to roadside is the commonly used
in method
moisture content from FSP wood shrinks about: where grades do not exceed:
a. 1/2 of the total possible shrinkage a. 60%
b. 1/30 of the total possible shrinkage b.70%
c. 1/25 of the total possible shrinkage c. 80%
d. 100% a. rigging slinger
e. none of the mentioned b. chaser
c. choker setter
151. To haul logs so that they scrape or d. yarder engineer
sideswipe e. none of the mentioned
stumps and trees.
a. siwash 156. The cable system or yarding is commonly
b. snag used
c. highlead in logging forest areas ranging from level to
d. drag slopes of
e. none of the mentioned up to:
a. 50%
152. It is a series of heavy steel links, swivels b. 70%
and c. 80%
shackles that connects the mainline and d. 100%
haulback. e. none of the mentioned
a. butt rigging assembly
b. guylines 157. Skidding or forwarding trails leading from
c. choker roadside landings back to the stump area.
d. siwash a. access roads
e. none of the mentioned b. strip roads
c. haul roads
153. The system adopted to swinging from cold d. feed roads
decks e. none of the mentioned
where swinging distances are too long for a
highlead 158. It is a displacement of the images with
swing where the swing is down-hill, or the swing respect to
road other objects due to the difference in their
is over rough or broken terrain: respective
a. skyline distances from the observer.
b. skidding a. parallax difference
c. butt rigging b. parallax
d. cold decking c. oblique photographs
e. none of the mentioned d. vertical photographs
e. none of the mentioned
154. It is a fixed relation that every distance on
the 159. A person responsible for the rigging crew,
map will correspond to the distance on the which
ground. consists of 2 or 3 choker setters and the
a. map scale chaser.
b. base map a. yarder engineer
c. contour map b. logging foreman
d. geographic map c. rigging slinger
e. none of the mentioned d. side supervisor
e. none of the mentioned
155. In primary log transport the one
responsible for 160. The wood obtained from a botanical group
unhooking the turns as they are in and for of
preparing trees that have broad leaves is:
a safe log deck. a. sapwood
b. heartwood e. none of the mentioned
c. softwood
d. hardwood 166. The resin obtained from Dipterocarp
e. none of the mentioned species is
collectively known as:
161. This is an abnormal portion of the wood a. Balau
formed b. Gutta percha
in limbs and inclined trunks of trees. c. Manila copal
a. burl d. Naval stores
b. bump e. none of the mentioned
c. abnormal wood
d. reaction wood 167. The wood of this species has a bitter taste:
e. none of the mentioned a. Teak
b. Batino
162. This refers to the arrangement and c. Dungon
direction d. Pagatpat
of alignment of wood elements when e. None of the mentioned
considered in
masse: 168. The wood of this species smells like fresh
a. grain beans:
b. vessel elements a. Dita
c. hardness b. Tindalo
d. texture none of the mentioned c. Akle
e. none of the mentioned d. Bitaog
e. none of the mentioned
163. This has reference to the size and the
proportional 169. That part of the woody core in the tree in
amounts of woody elements: which
a. density some xylem cells are living and hence,
b. texture physiologically
c. specific gravity active is called:
d. grain a. Meristems
e. none of the mentioned b. Heartwood
c. Sapwood
164. The abnormal woody tissue produced in d. Pith
the lower e. none of the mentioned
side of leaning stem of softwood trees is:
a. brashy wood 170. A lumber sawn in which the wide face is
b. tension wood almost
c. juvenile wood at right angle to the annual growth rings:
d. compression wood a. plain sawn
e. none of the mentioned b. bastard sawn
c. taper sawn
165. The bubble-like outgrowths of the d. quarter sawn
parenchyma e. none of the mentioned
cells adjacent to the vessels are called:
a. tyloses 171. A lumber sawn in which the side face is
b. crystals almost
c. gums parallel to the wood rays:
d. resins a. plain sawn
b. wide board removed:
c. taper sawn a. modulus of elasticity
d. quarter sawn b. bending strength
e. none of the mentioned c. tensile strength
d. anisotropy
172. The lumber contents of a log based on e. none of the mentioned
specific
log rule: 177. In bending wood, the magnitude of the
a. lumber tally load
b. common boards required to cause failure is expressed by the:
c. mill run a. modulus of rupture
d. log scale b. collapse
e. none of the mentioned c. bending strength
d. maximum curvature
173. A fabricated assembly consisting of two or e. none of the mentioned
more
layers of wood in which the grain direction of 178. Represents the moisture content at which
one is the
different from the other layers: cell wall is completely saturated with water, but
a. laminated wood no
b. plywood moisture is present in the cell lumen.
c. fiberboard a. moisture gradient
d. particle board b. fiber saturation point
e. none of the mentioned c. equilibrium moisture content
d. air-dry moisture
174. In veneering, the effective distance e. none of the mentioned
between knife
and nosebar edges is the resultant of the 179. Water in wood that is found in cell cavities,
vertical and either
horizontal opening is called: in liquid form or as a gas:
a. nosebar compression a. capillary water
b. knife-angle setting b. free water
c. nosebar opening c. bound water
d. knife angle d. water vapor
e. none of the mentioned e. none of the mentioned

175. Consists of boards bonded together, either 180. The balance of moisture content attained
in by
straight or curved form with their grain wood at any given level of relative humidity and
directions temperature of the surrounding atmosphere.
parallel to each other. a. free moisture
a. plywood b. moisture content
b. particle board c. equilibrium moisture content
c. chipboard d. moisture gradient
d. laminated wood e. none of the mentioned
e. none of the mentioned
181. Defect that sometimes develops above the
176. It indicates the ability of the material to fiber
recover saturation point when the wet heartwood of
its original shape and size after the stress is certain
species is dried as evidenced by abnormal and 186. The amount of lumber equal in volume to a
irregular board
shrinkage. 1-inch thick, 12 inches wide and 12 inches long:
a. warping a. cubic meter
b. honey combing b. board foot
c. checks c. cubic foot
d. collapse d. talaksan
e. none of the mentioned e. none of the mentioned

182. A term applied to dry lumber with nearly 187. What is the moisture content of a piece of
uniform wood
moisture content but characterized by the with the following weight?
presence of Original Weight = 30 grams
residual stresses, tension in the interior of the Final Oven Dry Weight = 10 grams
piece Initial Oven Dry Weight = 15 grams
and compression in the outer layers of cells: a. 100.00% MC
a. collapse b. 200.00% MC
b. diamonding c. 125.00% MC
c. warping d. 50.00% MC
d. case hardening e. none of the mentioned
e. none of the mentioned
188. The scientific name of the now common
183. Principal chemical constituent of the cell Balimbing
walls wood species is:
of the higher plants; complex carbohydrate a. Averrhoa quadrialata
occurring b. Averrhoa bilimbi
in the form of polymer chains. c. Averrhoa carambola
a. cellulose d. Spondias purpurea
b. lignin e. None of the mentioned
c. holocellulose
d. xylem 189. The wood of Pinus kesiya is best
e. none of the mentioned distinguished/
characterized by the presence of:
184. Shrinkage of wood occurs as a result of: a. chalk-like deposits
a. change in moisture content above fiber b. yellowish deposits
saturation point c. gummy deposits
b. change in moisture content below fiber d. resin ducts
saturation point e. none of the mentioned
c. removal of free water
d. significant moisture gradient 190. Which of the following species is
e. none of the mentioned characterized
by the presence of oil rings on the cross section
185. Wood product produced by means of of the
destructive log?
distillation. a. Mayapis
a. tannin b. Almon
b. rayon c. Apitong
c. dye d. Palosapis
d. charcoal e. None of the mentioned
e. none of the mentioned
191. It is a tabulation of log volume of given grain
dimensions: when the piece is bent slightly:
a. volume table a. compression failure
b. log scale b. brashness
c. tally sheet c. tension
d. mill tally d. collapse
e. none of the mentioned e. none of the mentioned

192. A tabular statement consisting of the 198. It is the longitudinal warping sidewise from
bearings straight line drawn from end to end of the piece:
and distances between corners of survey lines: a. crooking
a. field data b. bowing
b. technical description c. warping
c. vegetative description d. cupping
d. field description e. none of the mentioned
e. none of the mentioned
199. These are porous wood in which the pores
193. The outer portion of a woody stem show
distinguished little or no variations in size and distribution.
from the inner wood by its lighter color. a. semi-diffuse porous
a. heartwood b. ring-porous
b. softwood c. even-porous
c. sapwood d. diffuse-porous
d. core wood e. none of the mentioned
e. none of the mentioned
200. The wood produced by coniferous species
194. The fibers of the phloem is known as: is
a. fiber tracheids collectively known as:
b. wood fibers a. hardwood
c. tracheids b. soft wood
d. bast fibers c. sapwood
e. none of the mentioned d. softwood
e. none of the mentioned
195. The pit with an overhanging margin:
a. simple pit 201. The narrow thickened rim on the margin of
b. blind pit the
c. bordered pit pit membrane:
d. scalariform pit a. pit aperture
e. none of the mentioned b. pit cavity
c. annulus
196. Water found in the cell wall is known as: d. pit chamber
a. free water e. none of the mentioned
b. softwater
c. bound water 202. The initial layer of the cell wall:
d. hard water a. secondary wall
e. none of the mentioned b. primary wall
c. middle lamella
197. The abnormal condition in wood that d. tertiary wall
causes it e. none of the mentioned
to break suddenly and completely across the
203. A thin sheet of wood sliced, sawed or cut e. none of the mentioned
from a log or flitch:
a. veneer 208. The path cleared of vegetation and stumps
b. chip where
c. lumber the logs are yarded:
d. plywood a. loop
e. none of the mentioned b. setting
c. run
204. One of the methods of finding the area of d. site
the close e. none of the mentioned
traverse is by counting the squares. This is
possible 209. The fixed line of reference which is either
only if: imaginary
a. offset method is used or in the line of survey is:
b. the scale of the square is the same with that a. bench mark
of the map b. meridian
c. the bearing or azimuth of the traverse are c. magnetic declination
known d. turning point
d. trapezoidal rule is used e. none of the mentioned
e. none of the mentioned
210. The making of field observations with the
205. In yarding logs it is a block that separates use of
the trigonometric computations is known as:
haul-back line from the main line. a. triangulation
a. bull block b. contouring
b. lead block c. surveying
c. tail block d. grading
d. corner block e. none of the mentioned
e. none of the mentioned
211. If contour lines are spaced proportionately
206. In kiln drying when the dry-bulb and wet- between plotted points the method is:
bulb a. contouring
temperature is carefully set to dry a specific b. interpolation
load of c. tracing contours
lumber without causing objectionable drying d. grading
defects, e. none of the mentioned
we have:
a. special schedule 212. It is the primary chemical constituents of
b. specific kiln schedule higher
c. kiln schedule plant cell wall, which is soluble in acid but
d. ordinary drying schedule resistant
e. none of the mentioned to alkalies:
a. hemicellulose
207. In yarding logs the man who unhooks the b. lignin
log at c. cellulose
the landing is: d. crystallizer
a. chaser e. none of the mentioned
b. copher
c. hook tender 213. Wood with high silica content in its cells
d. chokerman are best
used for: 219. Which of the following agents of wood
a. tool handle deterioration is responsible in the
b. electric post biodeterioration of
c. bridge stringer lumber/timber:
d. marine piling a. fire
e. none of the mentioned b. weathering
c. martesia
214. The changes in the moisture content of the d. wear and tear
wood e. none of the mentioned
in service depends upon:
a. specific gravity of the wood 220. In drying wood, when the outer fibers are
b. condition under which the wood is used under
c. fiber saturation point of the wood tensile stress, the wood develops:
d. equilibrium moisture content of the wood a. bowing
e. none of the mentioned b. diamonding
c. case hardening
215. To attain efficiency and good result in kiln d. cupping
drying e. none of the mentioned
we have to use:
a. high temperature and low relative humidity 221. If you are referring to the size of the wood
b. low temperature and high relative humidity cells
c. high temp. and high relative humidity you mean:
d. low temperature and low relative humidity a. grain direction
e. none of the mentioned b. figure in wood
c. hardness of wood
216. Which of the following species is not a d. texture of wood
softwood: e. none of the mentioned
a. Malapapaya
b. Igem 222. The xylem fibers are the:
c. Mindoro Pine a. bark fibers
d. Lokinai b. bast fibers
e. None of the mentioned c. seed hair fibers
d. wood fibers
217. Which of the following wood species is not e. none of the mentioned
a
hardwood: 223. That property of wood which makes it
a. Gubas suitable
b. Malakauayan for the manufacture of pencil slat:
c. Yemane a. whittling property
d. Binuang b. tensile property
e. None of the mentioned c. anatomical property
d. mechanical property
218. When moisture moves readily in the wood e. none of the mentioned
cells
it is said to be: 224. “Lawanit” a trade name of locally
a. densified manufactured
b. pervious board is technically classified as:
c. hygroscopic a. fiber board
d. porous b. plywood
e. none of the mentioned c. particle board
d. cardboard 230. Refers to all defects except butt rot that
e. none of the mentioned occur
as holes at the core of the logs:
225. The primary source of cellulose in wood: a. catface
a. parenchyma cells b. center rot
b. wood fibers c. heartshake
c. vessels d. heart checks
d. bast fibers e. none of the mentioned
e. none of the mentioned
231. Any exposed woody portion of the log
226. It is a layer of water proofing waxy caused by
materials mechanical agent:
overlaying the epidermis in plants: a. sweep
a. resin b. catface
b. pitch c. burl
c. cutin d. unsound sap
d. lignin e. none of the mentioned
e. none of the mentioned
232. It is a method of determining the area of
227. The agent that causes wood degradation irregular
when units in maps:
wood is subjected to constant traffic conditions a. grid method
of b. graphical method
various kinds like railway ties, wood blocks, c. square method
plank d. trigonometric method
decking, etc. is known as: e. none of the mentioned
a. weathering
b. marine agent 233. The crew and equipment involved in
c. wood inhabiting agents yarding and
d. mechanical wear unloading at one landing is termed as:
e. none of the mentioned a. run
b. setting
228. Impregnation of softwood with preservative c. side
passes from cell to cell. This is affected through d. site
a e. none of the mentioned
valve-like structure called:
a. bordered pits 234. A device use in removing the bark of logs:
b. simple pits a. spade
c. vessel b. spad
d. rays c. spud
e. none of the mentioned d. claw bar
e. none of the mentioned
229. It is a pile of wood four feet high, four feet
wide 235. The operation of moving logs from the
and eight feet long: stump to
a. cord the landing with the use of donkey engine:
b. cubic meter a. decking
c. board feet b. skidding
d. talaksan c. yarding
e. none of the mentioned d. grand skidding
e. none of the mentioned e. none of the mentioned

236. Apical meristem in trees is responsible for 242. The wood with thicker cell walls and
the smaller
increased in: cavities has:
a. diameter a. greater amount of wood cell cavities
b. radia b. small/lesser amount of wood substance
c. height c. wood substance and cell cavities are equal
d. roots d. greater amount of wood substances
e. none of the mentioned e. none of the mentioned

237. The food-storing tissues of plants are the: 243. Trees growing under adverse conditions
a. vessels tend to
b. parenchyma cells have:
c. wood fibers a. longer fibers/tracheids
d. bast fibers b. abnormal fibers/tracheids
e. none of the mentioned c. shorter fibers/tracheids
d. fibers/tracheids length is not affected
238. The ability of wood to retain its natural size e. none of the mentioned
and
shape when external load is applied is called: 244. Which of the following drying factors is not
a. bending strength important in the satisfactory operation of a kiln
b. stiffness dryer?
c. tensile strength a. heat
d. shearing none of the mentioned b. free water circulation
e. none of the mentioned c. humidity
d. air circulation
239. A reading taken with the Engineer’s level e. none of the mentioned
to a
point the elevation of which is to be determined: 245. The presence of _________ will cause the
a. backsight death
b. foresight of fungi on the wood surface
c. off-set a. a very high temperature
d. bearing b. moisture
e. none of the mentioned c. suitable food
d. air
240. A type of map showing the relief of the e. none of the mentioned
ground:
a. vegetative map 246. Which of the following does not indicate
b. topographic map the
c. geographic map presence of decay in wood?
d. hydrographic map a. normal color
e. none of the mentioned b. absence of luster
c. zone line
241. Which of the following is considered a d. softening of the wood
manufacturing wood defects? e. none of the mentioned
a. burl
b. brashness 247. Which of the following processes of wood
c. fuzzy grain treatment does not belong to the non-pressure
d. knot method?
a. kyanizing c. flying height
b. rueping d. control point
c. steeping e. none of the mentioned
d. cold-soaking
e. none of the mentioned 253. A discipline which deals with the study of
man
248. White rot fungi deteriorate wood by at work, aimed at achieving on optimum man-
attacking: task
a. homocellulose system in view of worker’s health, well-being
b. wood as a whole and
c. lignin efficiency.
d. cellulose a. ergonomics
e. none of the mentioned b. operations research
c. anthropology
249. Surveys made to determine land d. logging safety
boundaries and e. none of the mentioned
areas is:
a. topographic surveys 254. Damage in wood caused by Ambrosia
b. engineering or geodetic surveys beetles:
c. hydrographic surveys a. molds
d. cadastral surveys b. pinholes
e. none of the mentioned c. rot
d. splits
250. These are record of work done during the e. none of the mentioned
survey
usually kept on file for future reference: 255. These are outgrowths of the cytoplast of
a. trail notes ray or
b. technical description axial parenchyma cells which pass through the
c. vegetative record pits
d. field note of adjacent vessel elements and expand into
e. none of the mentioned these
cells.
251. It pertains to the features of the actual a. ripple marks
surface b. tyloses
of the earth considered collectively as to form. c. crystals
a. topography d. perforation plates
b. contour e. none of the mentioned
c. slope
d. aspect 256. Line AB was measured with a 25-meter
e. none of the mentioned tape
and was found to be 1.5 kilometers. The tape
Home when
compared with the standard tape was found to
252. A distance above the datum, usually be 20
reckoned cm longer. The distance of line AB is
at mean sea level of a point or object on the a. 1,512 m
earth’s b. 1,488 m
surface: c. 1,499.80 m
a. elevation d. 1,500.20 m
b. altitude e. none of the mentioned
257. The sawdust of this species is irritating to 262. Amorphous substances with a stringent
the taste
nasal mucous membrane and sometimes cause that have the property of precipitating from
severe solution
headache. and of forming strongly colored substances like
a. Narra in
b. Akle leather manufacture
c. Ipil a. extractives
d. Kalantas b. tannin
e. none of the mentioned c. lignin
d. hemicellulose
258. Substances which are not part of the basic e. none of the mentioned
structure of wood but merely deposited in it are
collectively called: 263. A measure of the ability of the wood to
a. hemicellulose resist
b. extractives load in a direction that tends to crush the
c. tannin member.
d. none of the mentioned a. toughness
e. none of the mentioned b. stiffness
c. hardness
259. The wood of this species smells like old d. compressive strength
leather. e. none of the mentioned
a. Agoho
b. Dungon 264. The process of deposition of the chemical
c. Aranga constituent of the woody plant cell wall, known
d. Banuyo as
e. none of the mentioned lignin:
a. chemical pulping
260. The ratio of the weight of a given volume b. beating
of c. delignification
wood to the weight of the same volume of water d. lignification
at e. none of the mentioned
temperature of 4°.
a. density 265. The process of yarding logs into a large
b. moisture content pile before
c. specific gravity starting the next transportation move is
d. equilibrium moisture content technically
e. none of the mentioned called:
a. hot decking
261. The moisture content at which a piece of b. none of the choices
wood c. mat logging
neither gain nor lose moisture when surrounded d. cold decking
by e. none of the mentioned
air at a given relative humidity and temperature.
a. fiber saturation point 266. Blemishes in rattan are caused by certain
b. oven-dry moisture content fungi,
c. equilibrium moisture content which heavily infect the rattan tissue with
d. air-dry moisture content colored
e. none of the mentioned vegetative structures, known as:
a. spores
b. substrates 272. Ring-porous species
c. filaments a. Batitinan
d. hyphae b. White Lauan
e. none of the mentioned c. Bagtikan
d. Mayapis
267. Fungal growth in rattan is inhibited when e. None of the mentioned
the
moisture content of the rattan poles is: 273. Species with ripple marks
a. above 50% a. Banaba
b. below 50% b. Balobo
c. 40% c. Almon
d. below 20% d. Kalunti
e. none of the mentioned e. None of the mentioned

268. The most accurate method of measuring 274. The resistance of wood to indentation,
the scratch
volume of irregularly shaped solid or wood is by and weave:
the a. Toughness
use of the principle of the: b. Tensile strength
a. dendrometer c. Compressive strength
b. xylometer d. Hardness
c. hypsometer e. None of the mentioned
d. none of the mentioned
e. none of the mentioned 275. A swirl or twist in the grain of the wood
which
269. Wood is a hygroscopic substance, i.e., it usually occurs near a knot but does not contain
losses a knot
and gains moisture as a result of changes in: a. bow
a. lignin content b. snag
b. specific gravity c. loose knot
c. amount of extractives d. burl
d. atmospheric humidity and temperature e. none of the mentioned
e. none of the mentioned
276. All of the lumber produced without regard
270. Wood is anisotropic that moisture to
variations grade which has a shipping value
produce dimensional changes a. output
a. equal in the three axial directions b. tally
b. bigger in longitudinal than radial c. overrun
c. quite small in radial and tangential d. millrun
d. unequal in the three axial directions e. none of the mentioned
e. none of the mentioned
277. The width of the cut made by saws
271. Hardwoods differ from softwoods in a. width in inches
possessing b. kerfs
a. tyloses c. surface measure
b. parenchyma cells d. all of the mentioned
c. vessel elements e. none of the mentioned
d. tracheids
e. none of the mentioned 278. Water in wood that is found in cell cavities,
either 283. Which of the following factors have less
in liquid form or as a gas influence
a. bound water in the impregnation of timber by preservative?
b. free water a. anatomy of the wood
c. initial moisture content b. preservative used
d. all of the mentioned c. preparation of timber
e. none of the mentioned d. treating procedure
e. none of the mentioned
279. A mineral present in wood which causes
dulling of 284. It is a process of submerging wood in a
saws and difficulty in recovering of pulping tank of
chemicals preservative in water solution.
but makes wood resistant to the attack of a. dipping
Teredo b. steeping
Borers in sea water. c. hot and cold bath
a. silica d. osmose process
b. resin e. none of the mentioned
c. lignin
d. all of the mentioned 285. Which of the following retard the
e. none of the mentioned development
of decay in wood?
280. A wood treatment process in which part of a. available supply of suitable food
the b. sufficient degree of moisture
preservative forced into the wood is c. small amount of air
subsequently d. high temperature
recovered so that the wood cells tend to be e. none of the mentioned
coated
with preservative rather than filled with it 286. In most cases damaged by wood boring
a. full cell insects
b. steeping in wood is accomplished during:
c. empty cell a. larval stage
d. all of the mentioned b. adult stage
e. none of the mentioned c. pupal stage
d. nymphs
281. A saw blade with the points of the teeth e. none of the mentioned
widened
a. carbide-tipped saw blade 287. What is the percent utilization of sawmill
b. alternate-swaged saw blade when
c. bandsaw a cubic meter of log sawn produced a mill tally
d. all-swaged saw blade of
e. none of the mentioned 300 board feet?
a. 90%
282. The effectiveness and ultimate economy of b. 71%
any c. 65%
given preservative treatment is measured by: d. 60%
a. depth of penetration e. none of the mentioned
b. toxicity of the preservative
c. service life of the timber treated 288. In making coconut trunks into lumber the
d. availability of preservative in the market most
e. none of the mentioned efficient type of band saw blade that could be
used a. paratracheal
a. alternate-swaged saw blade b. apotracheal
b. all-swaged saw blade c. diffuse
c. stellite-tipped saw blade d. marginal
d. all of the mentioned e. none of the mentioned
e. none of the mentioned
294. A series of coalesced aliform parenchyma
289. In sawmill, that part of a carriage used to is
hold called:
the logs in place while being sawn. a. confluent
a. cant hook b. paratracheal banded
b. tog c. vasicentric
c. dog d. apotracheal
d. choker e. none of the mentioned
e. none of the mentioned
295. The criterion best used in wood
290. In wood processing plant the equipment identification is
used the:
to cut lumber into the desired length and to a. mechanical
remove b. anatomical characteristics
defective parts: c. chemical properties
a. resaw d. physical characteristics
b. pointer e. none of the mentioned
c. ripsaw
d. trimmer 296. Which of the following factors do not
e. none of the mentioned influence
the yield in carbonization?
291. That part of a plywood plant used primarily a. temperature and heating time
to b. shape and size of the wood used
peel logs into thin sheets of veneer. c. wood density
a. headrig d. relative humidity
b. gang-saw e. none of the mentioned
c. clipper
d. lathe 297. The chemical used in the cold-caustic
e. none of the mentioned soda
pulping process is:
292. What is the volume of a log 80 cm and 70 a. Sulfite
cm b. Sulfate
diameter at the big end and small end, c. Sodium hydroxide
respectively, d. Sodium chloride
if the length is 9 meters? Use BFD rules. e. none of the mentioned
a. 3.46 cu.m.
b. 3.60 cu.m. 298. It is a resinous extractive of the wood
c. 3.98 cu.m. which occurs
d. 4.52 cu.m. in pulp and paper-making machine:
e. none of the mentioned a. crystals
b. pitch
293. Axial parenchyma cells that are associated c. gums
with d. dyes
the pores are: e. none of the mentioned
299.The method of grading primary processed 304. Conventional signs adopted by BFD to
board indicate
into standard classes of strength as influenced vegetative cover of an area for commercial
by forest are:
wood defects is termed as: a. yellow horizontal line
a. stress grading b. red vertical lines
b. log grading c. blue diagonal lines
c. lumber grading d. green diagonal lines
d. veneer grading e. none of the mentioned
e. none of the mentioned
305. Conventional signs on maps indicating
300. Wood to be suitable for use as sporting cultivated
goods areas are represented by:
must be: a. red broken lines
a. cross grain b. green horizontal lines
b. straight grain c. blue diagonal broken lines
c. curly grain d. red vertical lines
d. diagonal grain e. none of the mentioned
e. none of the mentioned
306. It is a definite permanent identification and
301. Essential oils extracted in plants are accessible point of known elevation:
almost a. bench mark
completely insoluble in: b. tie point
a. alcohol c. turning point
b. water d. datum
c. ether e. none of the mentioned
d. fatty acids
e. none of the mentioned 307. These are amorphous substances with
astringent
302. Surveys made to determine the shape or taste usually found or extracted in bark of trees.
bottom a. resin
of lakes, rivers or bodies of water: b. gum
a. cadastral surveys c. tannin
b. hydrographic survey d. latex
c. aerial survey e. none of the mentioned
d. route survey
e. none of the mentioned 308. Heat is required in kiln drying for three
purposes.
303. Before a survey is made, the first step a Which of the following phrases is not
forestry applicable?
surveyor must do is: a. to evaporate moisture from the wood
a. orientation of the area and location of tie b. to warm the fresh air entering the kiln
points c. to replace the heat lost by radiation
b. clearing of survey lines d. to meet the wood quality requirement of the
c. consult land classification maps or any other customer
forestry map of e. none of the mentioned
the area to be surveyed
d. organization of survey crew 309. What is the oven dry weight of a wood
e. none of the mentioned sample
if the original weight is 2.02 kilos with an
average c. vessels
moisture content of 62.2 percent? d. fiber tracheids
a. 0.795 kilos e. none of the mentioned
b. 1.022 kilos
c. 1.136 kilos 315. The defect that sometimes develops when
d. 1.25 kilos a very
e. none of the mentioned wet wood is dried above fiber saturation point.
a. collapse
310. Rapid drying in kiln is achieved by the use b. diamonding
of: c. case hardening
a. high temperature and high relative humidity d. honeycombing
b. low temperature and high relative humidity e. none of the mentioned
c. high temperature and low relative humidity
d. low temperature and low relative humidity 316. The property of the wood to resist cutting
e. none of the mentioned is:
a. toughness
311. Which of the following genera of the b. stiffness
coniferous c. hardness
species does not possess normal resin canals d. tensile strength
in the e. none of the mentioned
wood?
a. Podocarpus 317. The property of the wood to resist external
b. Pinus force
c. Picea is:
d. Pseudotsuga a. physical property
e. none of the mentioned b. anatomical property
c. chemical property
312. Cells with suberized walls are the: d. mechanical property
a. cork cells e. none of the mentioned
b. parenchyma cells
c. epidermal cells 318. It is the deformation per unit of length
d. vessels resulting
e. none of the mentioned from the action of stress:
a. strain
313. These are meristematic tissues at the tips b. shear
of the c. elasticity
tree responsible for elongation growth: d. tension
a. radial growing point e. none of the mentioned
b. apical growing point
c. tangential growing point 319. It is the resistance of wood to splitting:
d. transverse growing point a. stiffness
e. none of the mentioned b. cleavage
c. shear
314. The fibers of the secondary phloem d. compressive force
sometimes e. none of the mentioned
blend wood fibers in printing bank notes and
check 320. Load where the forces act over a long
papers. period of
a. bast fibers time is called:
b. wood fibers a. static load
b. rolling load b. Tanguile
c. dead load c. Ipil
d. impact load d. Ipil-ipil
e. none of the mentioned e. none of the mentioned

321. The distinctive figure caused by the 327. Plainsawed lumber is synonymous to:
irregular a. flat-grained lumber
infiltration of coloring materials deposited in the b. slash-grained lumber
wood c. side-grained lumber
cells: d. all of the mentioned
a. blister figure e. none of the mentioned
b. strife figure
c. roe figure 328. Substance capable of holding material
d. pigmented figure together
e. none of the mentioned by surface contact:
a. adhesive
322. Contains both living and dead tissues and b. catalyst
is the c. coagulant
light-colored wood beneath the bark d. extender
a. heartwood e. none of the mentioned
b. sapwood
c. softwood 329. An adhesive that needs a temperature of
d. cambium layer or above 100°C:
e. none of the mentioned a. cold-setting adhesive
b. hot-melting adhesive
323. Connect the various layers from pith to c. hot-setting adhesive
bark for d. contact adhesive
storage and transfer e. none of the mentioned
a. annual ring
b. wood rays 330. Bright sap wood means:
c. vessels a. free from discoloration
d. tracheids b. sapwood with mold
e. none of the mentioned c. stained sapwood
d. discolored sapwood
324. A furniture and cabinet wood: e. none of the mentioned
a. Moluccan Sau
b. Toog 331. The carbohydrates that is the principal
c. Palosanto constituent
d. Rain Tree of the wood:
e. none of the mentioned a. cellulose
b. lignin
325. Belongs to the genus Anisoptera c. hemicellulose
a. Apitong d. all of the mentioned
b. White lauan e. none of the mentioned
c. Palosapis
d. Tiaong 332. Decomposition of wood substances by
e. none of the mentioned fungi:
a. dote
326. Merbau (Instia spp.) is equivalent to: b. decay
a. Apitong c. rot
d. all of the mentioned the stem
e. none of the mentioned b. direction parallel to the periphery of the stem
c. direction parallel to the radius of the stem
333. A general term for permanence or d. all of the mentioned
resistance to e. none of the mentioned
deterioration
a. strength 340. Curing of glue by the application of radio
b. resistance frequency energy:
c. endurance a. gluing
d. durability b. high-frequency curing
e. none of the mentioned c. polymerization
d. all of the mentioned
334. An example of hardwood: e. none of the mentioned
a. Benguet Pine
b. Dalug 341. Removing moisture from green wood to
c. Almaciga improve
d. None of the mentioned its serviceability
a. curing
335. A ring porous wood: b. seasoning
a. Narra c. conditioning
b. Kalantas d. EMC
c. A and B e. none of the mentioned
d. All of the mentioned
e. None of the mentioned 342. The largest native palm in the Philippines:
a. Buho
336. A natural defect in wood: b. Buri
a. hit and miss c. Coconut
b. knot d. Pugahan
c. wave e. none of the mentioned
d. kerfs
e. none of the mentioned 343. Refers to any tract of forest land under
license
337. To cut lengthwise, parallel to the grain: agreement, lease or permit:
a. cross-cut a. forest
b. diagonal b. grazing land
c. rip c. forest concession
d. peel d. establishment
e. none of the mentioned e. none of the mentioned

338. Strips of wood placed in between piles of 344. A general term for tannin producing barks,
lumber for air circulation: e.g.,
a. rafters Bakawan bark:
b. purlins a. bast fiber
c. stickers b. elemi
d. sleepers c. tanbark
e. none of the mentioned d. brea blanca
e. none of the mentioned
339. Shrinkage varies with grain direction.
However, it is negligible in the: 345. Bark obtained from Wisktroemia spp. used
a. direction parallel to the longitudinal axis of in
paper money: of
a. nipa shingle wood:
b. tanbark a. capillary content
c. salago bark b. moisture content
d. none of the mentioned c. hygroscopic content
e. none of the mentioned d. none of the mentioned
e. it depends
346. Measures of stiffness or rigidity of a beam
or 352. Refers to any irregularity or deviation from
column: the
a. modulus of elasticity qualities that make wood suitable for a
b. modulus of rupture particular
c. modulus of rigidity purposes:
d. static bending a. defect
e. none of the mentioned b. blemish
c. casehardening
347. The breaking strength of a beam d. none of the mentioned
expressed in e. it depends
stress per unit area:
a. modulus of elasticity 353. Cut radial surfaces in this type of wood
b. modulus of rupture produce
c. modulus of rigidity the ribbon stripe figure:
d. static bending a. diagonal
e. none of the mentioned b. spiral grain
c. cross grain
348. Consist of thin, narrow, ribbon-like strands d. interlocked grain
of e. none of the mentioned
wood:
a. wood wool 354. An example of anti-stain chemical
b. excelsior (fungicide)
c. A and B a. Sodium pentachlorophenol
d. none of the mentioned b. Dowicide
e. it depends c. Formay plus
d. All of the mentioned
349. A well-defined opening that contains free e. None of the mentioned
resin:
a. rosin 355. Property of wood that enables it to reflect
b. turpentine light:
c. pitch pocket a. luster
d. bark pocket b. brightness
e. none of the mentioned c. parallax
d. all of the mentioned
350. The most common drying defect is: e. none of the mentioned
a. collapsed
b. honeycomb 356. Initial stage of decay:
c. catface a. advanced decay
d. surface and end checking b. intermediate decay
e. none of the mentioned c. incipient decay
d. all of the mentioned
351. The total amount of water in a given piece e. none of the mentioned
357. Wood devoid of pores: 363. Lumber as it comes from the saw prior to
a. non-porous any
b. coniferous dressing operation
c. softwood a. S2S
d. all of the mentioned b. S4S
e. none of the mentioned c. rough lumber
d. all of the mentioned
358. The opening between two vessel e. none of the mentioned
members:
a. perforation 364. Manufacturing imperfections include:
b. lumen a. chipped grain
c. lumena b. torn grain
d. pore c. machine burn
e. none of the mentioned d. all of the mentioned
e. none of the mentioned
359. Xylary portion of fibrovascular tissue:
a. wood 365. A timber in the round, often to support
b. fiber power or
c. tracheid telephone lines:
d. all of the mentioned a. cross arm
e. none of the mentioned b. pole
c. tie
360. Directions in wood at right angles to the d. sleeper
wood e. none of the mentioned
fibers:
a. longitudinal 366. Thin slices of wood removed in dressing.
b. transverse a. chips
c. anisotropic b. saw dust
d. none of the mentioned c. planer shavings
e. none of the mentioned d. excelsior
e. none of the mentioned
361. The time schedule of predetermined or
actual 367. Parts of a tree remaining above and below
dry-bulb and wet-bulb temperature used in the
drying a ground after the main stem is cut off:
kiln change of lumber and other wood products: a. bolt
a. kiln drying b. log
b. kiln schedule c. sawlog
c. kiln chamber d. stump
d. all of the mentioned e. none of the mentioned
e. none of the mentioned
368. The less-dense, large-celled part of the
362. Generally the direction parallel to the grain growth
of layer formed first during the annual growth
the wood: cycle
a. longitudinal a. earlywood
b. cross section b. latewood
c. tangential c. summerwood
d. none of the mentioned d. autumnwood
e. none of the mentioned e. none of the mentioned
369. An auger-like instrument with a hollow bit shake or
used wane
to extract cores from trees to study growth, age, a. cutting
etc. b. sound cutting
a. stadia c. graded lumber
b. micrometer d. mill lumber
c. increment borer e. none of the mentioned
d. photometer
e. none of the mentioned 375. A deviation from the anticipated line of cut
in
370. The measure of the potential lumber sawing rough lumber
content of a. kerf
a log or logs based on particular cuttings and b. sawing variation
sizes c. quality control
a. mill run d. standard deviation
b. log run e. none of the mentioned
c. log scale
d. Breneton scale 376. One of a series of slender wood structural
e. none of the mentioned members used as supporting elements in walls
and
371. A series of surface imprints or markings partitions
made by a. stud
the machine knives in dressed lumber b. truss
a. hit-or-miss c. purlin
b. hit-and-miss d. rafter
c. blemish e. none of the mentioned
d. knife marks
e. none of the mentioned 377. Shear that occurs in planes parallel to the
longitudinal axis of the member
372. The term used when the pith falls entirely a. vertical shear
within b. horizontal shear
the four faces of a piece of wood throughout its c. maximum shear
length d. radial shear
a. bole e. none of the mentioned
b. boxed heart or boxed pith
c. bastard lumber 378. Having or providing comparatively low
d. plain-sawed flammability or flame spread
e. none of the mentioned a. durability
b. weather-resistant
373. A portion of a log sawed on two or more c. combustibility
sides d. fire retardant
and intended for remanufacture into lumber or e. none of the mentioned
veneer
a. squared timber 379. Measures the amount of water vapour in
b. dimension lumber the
c. flitch atmosphere
d. cant a. dry-bulb thermometer
e. none of the mentioned b. wet-bulb thermometer
c. dew point
374. Wood free from any form of decay, pith, d. psychrometer
e. none of the mentioned greater
a. plywood
380. Which of the following steps is done first in b. particle board
correcting the error of closure using graphical c. hardboard
method: d. MDF
a. erect a perpendicular line at the last station e. none of the mentioned
equal to the length
of the error of closure 385. Lumber not planed or otherwise machined
b. erect perpendicular line for each station a. dressed lumber
c. draw straight line which is equivalent to the b. S4S
total length of the traverse c. undressed lumber
d. lay all stations of the traverse equal to the d. S2S
distance between e. none of the mentioned
plotted station in the close traverse
e. none of the mentioned 386. Pin holes are borer holes not over
a. all of the mentioned
381. The property whereby a strained body b. 1/6 inch in diameter
gives up its c. inch in diameter
stored energy on the removal of the deforming d. 3/4 inch in diameter
force e. none of the mentioned
a. resilience
b. toughness 387. A wood strip having a curved projecting
c. hardness surface
d. softness used for decorating purposes
e. none of the mentioned a. strips and narrows
b. scantling
382. In wood anatomy, the cell cavity c. T & G
a. cell wall d. moulding
b. vessel e. none of the mentioned
c. pore
d. lumen 388. An adhesive that sets at temperature
e. none of the mentioned below 20
degree centigrade
383. A kiln in which the total charge of lumber is a. cold-setting adhesive
not b. hot-melt adhesive
dried as a single unit but as a several kiln c. hot-setting adhesive
truckloads d. all of the mentioned
that move progressively through the kiln e. none of the mentioned
a. compartment kiln
b. progressive kiln 389. Most popularly used species for
c. vacuum kiln matchsticks
d. solar kiln a. Mollucan sau
e. none of the mentioned b. Yemane
c. Gubas
384. A generic term for a panel manufactured d. All of the mentioned
primarily e. None of the mentioned
from interfelted ligno-cellulosic fibers
consolidated 390. Veneer that is used for exposed surfaces
under heat and pressure to a density of 31 of
lbs./ft3 or plywood
a. face veneer improve
b. crossbands bonding strength
c. middle layer a. sizing
d. core veneer b. pulping
e. none of the mentioned c. bleaching
d. beating
391. Growth of decayed fungi in lumber and e. none of the mentioned
other
wood products can be prevented by 397. The most promising raw material for
a. equalizing furniture
b. applying fungicide a. Yemane
c. maintaining MC at 20% or less b. Banlag
d. B and C c. Gubas
e. none of the mentioned d. Mollucan sau
e. none of the mentioned
392. The most durable species listed below
a. Malapapaya 398. Its treatment can increase resistance of
b. Malaikmo wood to
c. Mancono alkaline solution
d. Malabayabas a. furfuryl alcohol
e. none of the mentioned b. sodium hydroxide
c. furfuryl alcohol and sodium hydroxide
393. Narrow, tapering wood cell which is closed d. cyanide
at e. none of the mentioned
both ends
a. parenchyma 399. A measure of the combined strength and
b. wood fiber toughness of wood under bending stresses
c. microfibril a. work to maximum load in bending
d. wood rays b. maximum crushing
e. none of the mentioned c. A and B
d. none of the mentioned
394. Plainsawed lumber is synonymous to e. none of the mentioned
a. side-grained lumber
b. vertical grained lumber 400. Portion of the tree trunk that lies between
c. slash-grained lumber the
d. flat-grained lumber pith and the cambium
e. none of the mentioned a. phloem
b. brash center
395. A term used to imply dimensions in sawn c. bark
lumber d. xylem
that are slightly under the nominal dimension e. none of the mentioned
a. tally
b. scant 401. The most preferred species for railroad
c. reject ties
d. degrade a. Yakal
e. none of the mentioned b. Apitong
c. Molave
396. Treatment given to pulp in water d. Malabayabas
suspension e. none of the mentioned
resulting in the cutting and splitting of fibers to
402. A kind of decay where only the cellulose is c. mollusks
removed d. ants
a. wet rot e. none of the mentioned
b. dry rot
c. white rot 408. A kiln in which the total charge of lumber is
d. brown rot dried
e. none of the mentioned as single unit
a. progressive kiln
403. Botanically, softwoods are b. compartment kiln
a. coniferous c. scheduled kiln
b. woods that are soft d. continuous kiln
c. gymnosperm and coniferous e. none of the mentioned
d. gymnosperm
e. none of the mentioned 409. A method of control wherein benchmarks
are
404. Its use can enhance the natural resistance established and control stations are located in
of elevation by leveling
wood to chemical degradation a. vertical control
a. salt water b. midpoint control
b. fresh water c. horizontal control
c. viscous coke-oven coal tar d. diagonal control
d. brackish water e. none of the mentioned
e. none of the mentioned
410. The reciprocal of electrical conductivity of
405. Which of the following species is wood
susceptible to a. resistivity
blue stain? b. resistivity and diffusivity
a. Gubas c. diffusivity
b. Lanete d. permeability
c. Rubberwood e. none of the mentioned
d. all of the mentioned
e. none of the mentioned 411. The use of these preservatives causes
corrosion
406. In woodworking, any substance use to fill of metal fasteners
the a. oil-borne chemicals
holes and gaps in planes or sanded surfaces b. DDT
before c. coaltar creosote
applying with coatings d. water-borne salt preservatives
a. primer e. none of the mentioned
b. stain
c. filler 412. The ability of wood to absorb shocks that
d. all of the mentioned cause
e. none of the mentioned stresses beyond the proportional limit
e. none of the mentioned a. hardness
b. Poisson’s ratio
407. Microorganisms primarily responsible for c. tensile strength
gray d. impact bending
discoloration is e. none of the mentioned
a. molds
b. mildew 413. Examples of fumigants which can arrest
decay b. Dao and Lamio
in poles c. Dao
a. vapam and chloropictin d. Lamio
b. chloropictin e. none of the mentioned
c. vapam
d. none of the mentioned 420. Used for smoking fish
e. none of the mentioned a. Tangile
b. Apitong
414. A water-borne preservative c. Teak
a. pentachlorophenol d. Api-api
b. creosote e. none of the mentioned
c. copperchromate arsenate (CCA)
d. coaltar 421. The method of gathering resin from
e. none of the mentioned Dipterocarp
species like Apitong is
415. A good substitute for black walnut a. slicing the bark
a. Mahogany b. slicing the cambium
b. Ipil-ipil c. boxing the wood
c. Akle d. none of the mentioned
d. Tindalo
e. none of the mentioned 422. Annual log volume of log input to sustain
operation of a wood processing plant
416. Wood that is not attacked by decay fungi is a. allowable cut
usually b. capacity utilization
a. soft species c. annual log requirement
b. hard or dense species d. recovery
c. defective species e. none of the mentioned
d. naturally decay resistant
e. none of the mentioned 423. That part which is inner bark that forms
wood
417. Compressed wood treated with a and bark cells
thermosetting a. epithelial layer
fiber-penetrating resin b. apotracheal layer
a. compreg c. cambium layer
b. staypack d. phloem vessel
c. impreg e. none of the mentioned
d. all of the mentioned
e. none of the mentioned 424. The basis of grading hardwood lumber
under
418. The most important electrical properties of NHLA rules is
wood a. number and size of defects and standard
are clear cutting sizes
a. dielectric constant b. number and size of defects
b. conductivity c. none of the mentioned
c. dielectric power factor d. standard clear cutting sizes
d. all of the mentioned e. none of the mentioned
e. none of the mentioned
425. A structural member supporting a load
419. Belong to the genus Dracontamelon applied
a. Apitong transversely to it
a. stud on the ground, the correct scale used is
b. post a. 1:30,000
c. purlin b. 1:50,000
d. beam c. 1:5,000
e. none of the mentioned d. 1:15,000
e. none of the mentioned
426. Bark yields tannin used for “tuba”
flavouring 432. Modified wood treated with thermosetting
a. tangal and Ceriop tangal fiber-
b. rayon penetrating resin that is cured without
c. tangle compression:
d. Ceriops tangal a. impreg
e. none of the mentioned b. staypack
c. papreg
427. Grooves or notches made in cutting with a d. compreg
saw e. none of the mentioned
a. sawkerf
b. sawdust 433. An imaginary line of constant elevation on
c. sawline the
d. hot dust ground surface
e. none of the mentioned a. relief
b. contour
428. Refers to the case with which a species of c. parallax
wood d. scale
takes in preservative using vacuum or pressure e. none of the mentioned
process
a. treatability 434. Classified as difficult to saw
b. accessibility a. Liusin
c. durability b. Anubing
d. all of the mentioned c. Magabuyo
e. none of the mentioned d. All of the mentioned
e. None of the mentioned
429. Wood with oily deposits
a. Kayugalo 435. As applied to lumber, the size by which its
b. Supa known
c. Tambulian and sold in the market which often differs with
d. All of the mentioned the
e. None of the mentioned actual size
a. oversize
430. A cavity cut into a piece of wood to receive b. binomial size
a c. nominal size
tenon d. all of the mentioned
a. turner e. none of the mentioned
b. borer
c. shape 436. Apitong is distinguished from Guijo by its
d. mortise a. coarser texture
e. none of the mentioned b. finer texture
c. hard texture
431. If 30 cm on the map will represent 15 d. finer and coarser texture
kilometers e. none of the mentioned
437. This property is essential in selecting e. none of the mentioned
species for
tool handles 443. A definite permanent identification and
a. color accessible
b. luster point of known elevation
c. toughness a. flight line
d. all of the mentioned b. parallax
e. none of the mentioned c. legend
d. benchmark
438. Source of dyebark called “Nige” used for e. none of the mentioned
tanning
fishnets and clothing 444. Serious decay occurs only when the MC of
a. Balete wood
b. Dungon is
c. Malaruhat a. within fsp
d. Tabigi b. below fsp
e. none of the mentioned c. at fsp
d. above fsp
439. The diffusion process of preservative e. none of the mentioned
treatment
is applicable to 445. An empty-cell process of pressure
a. all of the mentioned treatment
b. kiln-dried wood a. reuping
c. wet or green wood b. brushing
d. air-dried wood c. diffusion
e. none of the mentioned d. steeping
e. none of the mentioned
440. An example of wood-boring mollusks
a. Martesia 446. Dependent upon the moisture content of
b. Bankia wood
c. Teredo a. shrinkage
d. all of the mentioned b. strength
e. none of the mentioned c. weight
d. all of the mentioned
441. In engineering, the progressive damage e. none of the mentioned
that
occurs in wood subjected to cyclic loading 447. It is the resistance of the wood to forces
a. fatigue that
b. duration of load tend to pull one section apart from the other
c. creep a. toughness
d. duration of stress b. tensile strength
e. none of the mentioned c. compressive strength
d. shear strength
442. Organic components of wood contributes e. none of the mentioned
to
having: 448. The curved exterior portion of a log that is
a. all of the mentioned first
b. odor removed
c. taste a. slab
d. color b. trimming
c. edging d. Kamagong
d. all of the mentioned e. none of the mentioned
e. none of the mentioned
455. As applied to plywood the term is
449. In the Philippines, the actual size of lumber synonymous
is to waterproof
a. smaller than nominal size a. weatherproof
b. greater than average size b. exterior type
c. equal to nominal size c. interior type
d. greater than nominal size d. exterior type and weatherproof
e. none of the mentioned e. none of the mentioned

450. Can be processed to yield vanillin for 456. Veneer may be cut in several ways. The
flavoring most
and to produce solvents popular method of veneer preparation
a. hemicellulose accounting for
b. cellulose almost 90% of all veneer cut is:
c. tannin a. sawing
d. lignin b. beating
e. none of the mentioned c. slicing
d. rotary cutting
451. Not recommended for treatment of marine e. none of the mentioned
piles
a. pentachlorophenol 457. When a load is maintained on a beam,
b. DDT additional
c. creosote time-dependent formation occurs and is termed
d. creosote and pentachlorophenol as
e. none of the mentioned a. elasticity
b. plasticity
452. Treatment which reduces combustibility of c. modality
wood d. creep
a. fungicide e. none of the mentioned
b. fire-retardant
c. polyethylene glycol 458. Addition of hydrophobic substance to the
d. insecticide pulp
e. none of the mentioned to reduce absorbent quality of paper and to
produce
453. Top choice flooring in bowling alleys a smooth surface:
a. Bagtikan a. capping
b. Supa b. sizing
c. Tangile c. refining
d. Red Lauan d. fluing
e. none of the mentioned e. none of the mentioned

454. Example of species with moderately fine to 459. An assembly of wood members
fine interconnected
texture to form triangles
a. Magabuyo a. truss
b. Binuang b. beam
c. Manggasinoro c. purlin
d. rafter usually
e. none of the mentioned cut with a lathe machine is called:
a. veneer
460. A glue joint that is poorly bonded because b. plywood
of c. lumber
insufficient quantity of adhesive remained in the d. flitch
joint e. none of the mentioned
a. sunken joint
b. scarf joint 466. The purpose of treating wood with
c. starved joint preservative
d. all of the mentioned is to:
e. none of the mentioned a. increase the service life of wood
b. increase the strength of wood
461. Relates the fiber direction to the edges of c. increase the finishing characteristics of wood
a piece d. all of the mentioned
a. radial e. none of the mentioned
b. slope of grain
c. vertical 467. Compared with the swelling normally
d. tangential expected
e. none of the mentioned from solid wood, fiber boards and particle
boards
462. The irreversible effect of high temperature when exposed to high humidity demonstrates:
on a. less swelling than solid wood
wood is degradation of wood substance, which b. similar properties
results c. more swelling than solid wood
in d. all of the mentioned
a. loss of weight e. none of the mentioned
b. loss of durability
c. loss of weight and strength 468. If the kiln is operated properly, kiln drying
d. loss of moisture makes:
e. none of the mentioned a. lumber weaker
b. lumber stronger
463. Wood has a very strong affinity to water. c. no change in the strength of lumber
This d. all of the mentioned
tendency of wood indicates that it is: e. none of the mentioned
a. hygroscopic
b. anisotropic 469. The principal raw material for pulp and
c. isotropic paper-
d. all of the mentioned making comes from:
e. none of the mentioned a. bamboo
b. wood
464. Lumber cut tangent to the growth rings is c. bast fibers
known as: d. grasses
a. plain sawn lumber e. none of the mentioned
b. form lumber
c. quarter sawn lumber 470. Lumber is graded or inspected as the
d. none of the mentioned inspector
e. none of the mentioned finds it. Grades are determined on:
a. poor side of the piece
465. The sheet of wood of uniform thickness b. good side of the piece
c. radial side of the piece e. none of the mentioned
d. all of the mentioned
e. none of the mentioned 476. In lumber grading cutting units are used in
determining the grade of a board. The
471. Modified northbend skyline system is dimension of a
sometimes cutting unit is:
called: a. 1’ wide and 1” long
a. tyler b. 1’ wide and 1’ long
b. south bend c. 1” wide and 1’ long
c. gravity d. all of the mentioned
d. all of the mentioned e. none of the mentioned
e. none of the mentioned
477. Complete the following statement “below
472. Major storage form of carbohydrate in fiber
plants saturation point”
consisting of alpha D-glucose units connected a. the cell walls are in an expanded position
in 1-4 b. shrinkage takes place
linkages c. shrinkage and swelling take place
a. cellulose d. swelling takes place
b. starch e. none of the mentioned
c. protein
d. lignin 478. In order that wood will give its best service,
e. none of the mentioned it is
important that it should be:
473. Chainlike molecules linked by beta 1-4 a. dried to even-dry conditions thereby killing all
glucosidic insects and fungi
bonds: found inside the wood
a. cellulose b. dried above FSP
b. starch c. dried up to FSP
c. lignin d. dried to a moisture content which
d. protein approximates very closely the
e. none of the mentioned equilibrium moisture content of the locality
where it will be used
474. The part of the saw-tooth assembly which e. none of the mentioned
holds
the bit in place and removes the sawdust: 479. Complete the following statement: As a
a. flange general
b. shank rule
c. throat a. lighter species shrinks more across the grain
d. interface than heavier ones
e. none of the mentioned b. shrinkage is greatest along the grain
c. quarter-sawn boards change less in
475. Deposits consisting largely of calcium thickness than flat-sawn
oxalate boards
frequently found in the axial parenchyma or soft d. heavier species shrinks more across the
tissues and in the ray cells: grain than lighter ones
a. gums e. none of the mentioned
b. cellulose
c. crystals 480. A common defect found in plywood panels
d. none of the mentioned is
starved glue joint. This is brought by: extractives which are
a. very low assembly time of the veneer water soluble
b. too long pressing time c. a large portion of the wood volume is
c. the surface of the veneer do not have an occupied by thick walled cells
effect on the amount d. the specific gravity of the wood is high
of glue spread e. none of the mentioned
d. excessive flow or rapid penetration of glue
into the wood surface 485. Which of the following statement is true
e. none of the mentioned regarding
papermaking?
481. For exterior or marine plywood, the glue a. the sheet of the paper is formed in the
most fourdrinier wire
commonly used is: b. paper making operation usually begins with
a. starch glue the bleaching of
b. animal glue the pulp
c. in glue c. the pulp solution that is placed in the head
d. synthetic resin glue box contains 70%
e. none of the mentioned water and 30% fiber
d. decreases the strength of every fiber
482. In glue spreading, glue is applied on what e. none of the mentioned
portion
of veneer: 486. One of the disadvantages of the
a. the faces of back and face veneers and both occurrence of
faces of the core pith in papermaking is that it:
b. one portion each of face veneer in contact a. clogs filters and screens
with core veneer b. causes the disintegration of cellulose
c. dependent on condition prevailing in the plant c. causes the breakage of fibers
d. both faces of core veneer d. decreases the strength of individual fibers
e. none of the mentioned e. none of the mentioned

483. When external forces or loads are applied 487. As a general rule, the
to a. heartwood possesses high natural durability
wood, the tendency is that: b. both sapwood and heartwood possess high
a. internal forces will be formed within the wood natural durability
to resist changes c. sapwood of a species possesses high natural
in size and in shape durability
b. case hardening will be developed in wood d. heartwood of a species is highly susceptible
c. the surface of the wood will develop checks to fungal decay
d. no changes will occur on the size and shape e. none of the mentioned
of the wooden
member 488. The natural durability of timbers have been
e. none of the mentioned generally attributed to:
a. large amount of starch present in hardwoods
484. Some species of wood float in water; the b. extractive present in heartwood
reason c. thick cell walls
for this is that: d. small diameter of the cells
a. a large portion of the volume of the wood e. none of the mentioned
species is occupied by
cell cavities and voids 489. When wood of different species are mixed
b. the species contains large quantities of together in the same kiln charge, the drying
schedule 494. The moisture range wherein wood is not
to be used is based on: susceptible to the attack of decay and fungi is:
a. the drying requirements of the species with a. 35 to 50%
low specific gravity b. 50 to 60%
b. the drying requirements of the species with c. 20% and below
high specific gravity d. 60% and above
c. mild drying temperature at about 110°F e. none of the mentioned
d. severe drying temperature at about 140°F
e. none of the mentioned 495. One characteristic of staining fungi is that
they
490. The distinct characteristics of quarter and a. greatly decrease bending and compressive
plain strength
sawn boards with respect to drying is that: b. increase into a certain degree the bending
a. quarter sawn boards dry faster and compressive
b. quarter sawn boards dry slower strengths of wood
c. quarter sawn boards dry as fast as plain c. do not seriously affect bending and
sawn boards compressive strength
d. quarter sawn boards dry as slow as plain d. render wood unsuitable as construction
sawn boards material
e. none of the mentioned e. none of the mentioned

491. The main basis for determining the quality 496. Latitudes are positive for all the lines
of the having a:
solid residue produced during destructive a. Southerly bearing
distillation b. Easterly bearing
is the: c. Northerly bearing
a. hydrogen content d. Westerly bearing
b. fixed carbon content e. none of the mentioned
c. amount of volatile materials
d. fixed nitrogen content 497. Which of the following activities is not a
e. none of the mentioned component
of timber cutting?
492. Dissolving pulp is generally used in the a. felling
manufacture of: b. measuring
a. wrapping papers c. yarding
b. textile yarns d. limbing
c. bond papers e. none of the mentioned
d. leather
e. none of the mentioned 498. What is the bearing of a line whose
direction is
493. One distinct advantage of bandsaw over perpendicular to the meridian?
circular a. Due North or Due South
saw is: b. N 45° 30’ W
a. the installation cost is generally lower c. Due North or Due West
b. it requires less space of saw filling operations d. Due East or Due West
c. the waste produce in the form of sawdust is
comparatively less 499. The deposits frequently found in the
d. it requires less skilled sawers parenchyma
e. none of the mentioned of hardwoods consisting mainly of calcium
oxalate
and often in chambered strands: b. peeler, veneer and saw-log grades
a. silica c. peeler grades only
b. starch d. veneer and sawlog grades
c. tyloses e. none of the mentioned
d. crystals
e. none of the mentioned 505. Which of the following statements could
best
500. The turpentine secreted by pine trees is a describe the meaning of “complete tree
form utilization”?
of: a. achieving maximum value from the trees by
a. cellulose using as much of
b. hemicellulose the tree as possible
c. lignin b. maximum utilization of the merchantable
d. extractives portion of the tree
e. none of the mentioned c. putting up a fully integrated wood-processing
plant
501. Microscopically, cellulose has been shown d. manufacturing as many products from the
to be: tree as possible
a. a solid chain molecule e. none of the mentioned
b. deposited in the lumen
c. variable structure depending on the source 506. Which of the following statements
and regarding
origin hemicellulose is true
d. made up of an aggregation of microfibril a. hemicelluloses are water-soluble substances
e. none of the mentioned b. hemicelluloses are a mixture of phenolic
substances
502. The instrument used to plot bearings of c. hemicelluloses are more easily hydrolyzed by
survey acid than cellulose
lines on cross-section paper is d. hemicelluloses are more difficult to be
a. T-square hydrolyzed by acid than
b. ruler cellulose
c. planimeter e. none of the mentioned
d. protractor
e. none of the mentioned 507. The non-conductive wood portion of the
tree is
503. Which of the following cable-hauling collectively called:
system has a. heartwood
the shortest economical yarding distance? b. sapwood
a. tyler c. hardwood
b. northbend d. softwood
c. high lead e. none of the mentioned
d. modified northbend
e. none of the mentioned 508. The distinguishing feature of the wood of
the
504. In grading, logs to be graded shall be fresh family Lauraceae is the:
cut, a. tracheids
straight, cylindrical, straight-grained with well- b. oil cells
bucked ends. This rule is true for which of the c. horizontal resin canals
grades d. window-like pits
a. peeler and veneer grades e. none of the mentioned
509. Generally, the cheapest means of log 514. The magnetic bearing of a line OP is
transport S47°30’W
from the woods to the mill is: and the magnetic declination is 12°10’W. The
a. railroad true
b. water bearing of the line is:
c. helicopter a. S59°40’W
d. motor truck b. S35°20’W
e. none of the mentioned c. N35°20’E
d. N59°40’W
510. The most adaptable logging method in so e. none of the mentioned
far
least damage to residual is concerned: 515. Which of the following methods is most
a. high lead adaptable
b. tractor skidding in determining the distance between the two
c. northbend points A
d. ground lead and B that are separated by a river but
e. none of the mentioned indivisible?
a. swing offset
511. Departures are positive for lines having: b. similar triangles
a. North bearing c. 3-4-5 method
b. East bearing d. parallel lines
c. South bearing e. none of the mentioned
d. West bearing
e. none of the mentioned 516. When using a compass, it is noticed that
the
512. Which of the following is true regarding eastern portion [left side] is marked W which
close mean
traverse? West, the reason behind this is:
a. Latitude is equal to departure. a. to get the direct bearing or direction of the
b. Algebraic sum of latitudes should equal to line with reference
zero. to the magnetic meridian
c. Departure is less than latitude. b. to get more precise bearing of a line
d. Latitude is less than departure c. because the north end of the needle is
e. none of the mentioned always pointing to the
magnetic north
513. Which of the following statements is true d. all of the mentioned
regarding the determination of area of close e. none of the mentioned
traverse
by double meridian distance (DMD)? 517. Scale is a necessity in map making. Which
a. DMD of the first course is equal to latitude of of the
that course but following statement is true regarding scale?
opposite in sign. a. The size of the resulting map is directly
b. The DMD of the first course is equal to the proportional to the
departure of that course. magnitude of the scale.
c. DMD of the first course is equal to the b. Scale shows the elevation between points.
departure of that course c. The size of the resulting map is inversely
but opposite in sign. proportional to the
d. DMD of the first course is equal to the magnitude of the scale.
latitude of that course. d. If the scale used is 1:500; 1 mm on the map
e. none of the mentioned is equivalent to 5
meters on the ground. e. none of the mentioned
e. none of the mentioned
523. In kiln drying, in order to minimize the
518. The bearing of a line may be: occurrence
a. never greater than 90° of seasoning defects the load is subjected to:
b. reckoned from east or west a. high temperature and high relative humidity
c. greater than 90° b. low temperature and low relative humidity
d. sometimes negative c. low temperature and high relative humidity
e. none of the mentioned d. high temperature and low relative humidity
e. none of the mentioned
519. The wood of Almaciga is different from that
of 524. Collectively, the different kinds of cells in
Apitong by: wood
a. presence of vessels in the latter and absence is known as:
in the former a. tracheids
b. presence of vessels in the former and b. wood elements
absence in the latter c. wood fibers
c. ring porous structure in the former and d. extractives
diffuse porous in the latter e. none of the mentioned
d. bigger pores in the latter
e. none of the mentioned 525. The opening between two vessel members
is the
520. Which of the following is generally done a. pit orifice
first in b. perforation
identifying a certain piece of wood? c. pit
a. observe the physical characteristics such as d. pit cavity
color, weight, e. none of the mentioned
hardness and odor
b. compare the wood with known samples 526. In veneering, these are irregular pieces
c. observe the different elements using 20x lens peeled
d. observe the wood under the microscope from the surface of veneer bolt at the start of
e. none of the mentioned peeling
operation:
521. Which of the following species is not a a. dry-end residue
member b. core
of the “Philippine Mahogany”? c. round-ups
a. Shorea polysperma d. green veneer strips
b. Shorea guiso e. none of the mentioned
c. Shorea squamata
d. Shorea negrosensis 527. The wart-like excrescences on the trunk is
e. none of the mentioned called:
a. knot
522. A type of loading beam using a tong which b. canker
forces c. burl
one end of the log against the upper side of the d. crotch
frame: e. none of the mentioned
a. grapple
b. heel boom 528. A kind of grain defect produced on lumber
c. McLean boom planed
d. jammer at high moisture content:
a. fuzzy grain 534. It is the direction of the line as given by the
b. torn grain angle
c. raised grain between meridian and the line measured in
d. curly grain clockwise
e. none of the mentioned directions
a. bearing
529. The logging at one yarder position is b. foresight
known as: c. magnetic declination
a. loop d. azimuth
b. run way e. none of the mentioned
c. side
d. setting 535. A method of measuring vertical distances
e. none of the mentioned to
determine difference in elevation is known as:
530. Woods of species with fast rate of growth a. profile leveling
have: b. contouring
a. high specific gravity c. grading
b. equal to those of regular rate of growth d. leveling
c. low specific gravity e. none of the mentioned
d. growth rate has no effect on specific gravity
e. none of the mentioned 536. The excreting parenchymatous tissues
surrounding
531. It is a carefully worked out set of dry-bulb the cavity of resin ducts is known as:
and a. epithelial cells
wet-bulb temperature to dry a specific lumber b. traumatic ducts
without c. pith
causing objectionable drying defects: d. middle lamella
a. drying schedule e. none of the mentioned
b. special schedule
c. species schedule 537. A tree cleared of branches on which
d. kiln schedule rigging is
e. none of the mentioned hung and used in cable yarding system
a. spar tree
532. Checks in the wood rays that are found on b. tower
the c. spur
end-grain surface d. gin-pole
a. end-split e. none of the mentioned
b. collapse
c. end-checks 538. Wood treated with water-borne
d. surface checks preservatives is
e. none of the mentioned best used for:
a. indoor use
533. Which of these factors does not affect the b. marine use
penetration and absorption of preservatives in c. outdoor
wood? d. bridge construction
a. anatomy of wood e. none of the mentioned
b. preparation of wood for treatment
c. treatment procedure 539. Fibers recovered from the recycling of
d. color and figure of wood used papers
e. none of the mentioned are known as:
a. tertiary fibers 545. The transport of timber from the stump site
b. secondary fibers to
c. primary fibers log landing with the use of tractor:
d. bast fiber a. cable logging
e. none of the mentioned b. skidding
c. towing
540. Variation in the specific gravity of wood is d. trucking
due e. none of the mentioned
to:
a. difference in the amount of cell wall 546. Which of the following wood elements
substances characterize
b. difference in chemical properties softwood?
c. difference in the physical properties a. fiber tracheids
d. difference in strength properties b. vasicentric tracheids
e. none of the mentioned c. ray tracheids
d. vascular tracheids
541. Which of the following wood substances e. none of the mentioned
does
not contribute to the dark color of the 547. The distinctive markings on the
heartwood? longitudinal
a. extractives surface of a piece of wood:
b. cellulose a. ripple marks
c. oils and gums b. texture
d. resins and tannin c. figure
e. none of the mentioned d. grain
e. none of the mentioned
542. The cambial layer of plants is responsible
for 548. It is a longitudinal curvature, edgewise
the: from a
a. apical growth straight line drawn from end to end of the piece
b. radial growth of
c. axial growth wood:
d. tertiary growth a. bowing
e. none of the mentioned b. crooking
c. cupping
543. Record of work in surveys and usually kept d. twisting
on e. none of the mentioned
file for future reference is called:
a. trail notes 549. As it losses moisture below fiber saturation
b. field notes point,the hardness of wood
c. inventory records a. decreases
d. survey notes b. remains equal
e. none of the mentioned c. increases
d. not affected
544. Cells of wood near the pith are generally: e. none of the mentioned
a. medium size
b. larger 550. Which of the following is not an agent of
c. equal in size wood
d. smaller in size from pith to the bark deterioration?
e. none of the mentioned a. wood inhabiting fungi
b. woodpeckers 556. The Philippine species best substitute for
c. damping-off Lignum
d. fire vitae because of its wood is:
e. none of the mentioned a. Mancono
b. Ipil
551. These are soil-inhabiting insects that c. Malabayabas
destroy the d. Kamagong
wood: e. none of the mentioned
a. wood termites
b. martesia 557. A wood to be suitable for pencil slats must
c. borers possess:
d. subterranean termites a. good whittling property
e. none of the mentioned b. good figure
c. good machining property
552. It is a process of soaking wood in a tank in d. soft and light
unheated oil solution of preservative: e. none of the mentioned
a. dipping
b. hot and cold bath 558. A wood to be suitable for chopstick must
c. steeping be/
d. cold soaking have:
e. none of the mentioned a. free from odor and taste
b. beautiful figure
553. Wood to be used under conditions c. good machining property
involving d. straight grain
mechanical wear or exposed to agents of e. none of the mentioned
deterioration
must be treated by: 559. The presence of water-borne salts in wood
a. empty cell process a. increases
b. kyanizing process b. decreases
c. steeping process c. does not affect
d. full cell process d. corrects the electrical resistance of the wood
e. none of the mentioned e. none of the mentioned

554. The surest way or method to protect 560. It is that part of a sawmill used primarily to
lumber from break the log into lumber
decay and blue stain is: a. headrig
a. air drying b. dog
b. storage inside buildings c. gangsaw
c. kiln drying d. circular saw
d. chemical treatment e. none of the mentioned
e. none of the mentioned
561. The standard dryness of wood is its:
555. A major importance in determining the a. green weight
ultimate b. oven-dry weight
economy of the wood: c. weight at a given MC
a. retension of preservative d. air-dry weight
b. absorption e. none of the mentioned
c. depth of penetration
d. length of service 562. Which of the following does not affect the
e. none of the mentioned strength
properties of wood? 568. This is the ability of a material to resist
a. specific gravity bending
b. preservative treatment at low temperature or deflection under pressure load:
c. moisture content a. stiffness
d. temperature b. compressive strength
e. none of the mentioned c. bending strength
d. shearing strength
563. A grain direction in which the fibers e. none of the mentioned
gradually
alternates from right-hand to left-hand spiral 569. These are scars found on the surface of
back logs as
again to the adjacent wood growth a result of the wounding of a tree
a. straight grain a. knots
b. curly grain b. burl
c. diagonal c. catface
d. interlocked grain d. bumps
e. none of the mentioned e. none of the mentioned

564. Which of the four (4) phases of life history

of 570. A distortion of piece of wood/board in
plant cells hardens the cell wall? which
a. phase of origin there is deviation from flatness across the width
b. phase of lignification of
c. phase of enlargement the board:
d. cell of thickening a. bow
e. none of the mentioned b. twist
c. cup
565. Shrinkage of wood refers to its changes in d. crook
dimension and volume as a result of: e. none of the mentioned
a. changes in moisture content
b. changes in MC below FSP 571. The weight of water in the wood expressed
c. changes in equilibrium moisture content as
d. changes in specific gravity a percentage of the weight of the oven-dry
e. none of the mentioned wood is
called:
566. Wood is a. wood density
a. good conductor of heat b. specific gravity
b. does not conduct heat c. moisture range
c. poor conductor of heat d. moisture content
d. best conductor of heat e. none of the mentioned
e. none of the mentioned
572. The cross-section of a vessel
567. Which of the following agents of a. canal
deterioration is b. pits
not responsible in the biodeterioration of wood c. tube
a. fungi d. pore
b. bacteria e. none of the mentioned
c. mechanical wear and tear
d. insects and marine borers 573. The strips of cells extending radially within
e. none of the mentioned a
tree is termed as: the tree is submerged into the treating liquid
a. wood fiber before
b. resin canal removing the tops and branches
c. vessel a. dipping process
d. wood ray b. diffusion process
e. none of the mentioned c. steeping process
d. hot and cold bath
574. The wood of oak is best used for: e. none of the mentioned
a. fish rod
b. wood carvings 580. Shipworm is a collective term to describe:
c. spools a. teredo
d. wood barrels b. termites
e. none of the mentioned c. limnoria
d. moluccans
575. This is the reproduction of the earth e. none of the mentioned
surface which
is drawn to scale: 581. Sapwood ordinarily contains:
a. picture a. does not contain any infiltration
b. drawing b. less infiltration than heartwood
c. sketch c. more infiltration than heartwood
d. map d. saturated with infiltration
e. none of the mentioned e. none of the mentioned

576. The art of measuring horizontal and 582. To be resistant to marine borers’ attack the
vertical preservative must have:
distances between terrestrial objects a. high specific gravity
a. surveying b. high toxic substance and silica content
b. contouring c. high moisture content
c. leveling d. absence of extraneous essential oil in wood
d. mapping e. none of the mentioned
e. none of the mentioned
583. Which of these wood species does not
577. This is a rough estimate of distances: produce
a. pacing resin?
b. chaining a. Almaciga
c. breaking chain b. Malakauayan
d. taping c. Benguet Pine
e. none of the mentioned d. Apitong
e. none of the mentioned
578. It is a level surface to which all elevations
are 584. The basis of grading rules for logs and
referred: lumber is:
a. datum a. dimension
b. bench mark b. amount of standard defects
c. turning point c. grain and texture
d. contour interval d. quality of grades
e. none of the mentioned e. none of the mentioned

579. It is an open-tank process in which the 585. The elongated cells that make up the
base of greater
part of the wood of the softwoods: 591. A low cost substitute for lumber:
a. tracheids a. steel
b. ray cells b. hollow blocks
c. wood fibers c. plywood
d. fiber-tracheids d. cocowood
e. none of the mentioned e. none of the mentioned

586. Sawing through-and-through is also called: 592. Color of wood white or creamy to
a. dead-sawing yellowish:
b. pattern sawing a. Rubberwood
c. quarter sawing b. Big Leaf Mahogany
d. live sawing c. Agoho
e. none of the mentioned d. Kamagong
e. none of the mentioned
587. A representation of the ground done in
three 593. A type of stain not caused by a fungus:
dimensions to suitable horizontal and vertical a. biological stain
scales: b. chemical stain
a. shading c. blue stain
b. plotting d. molds
c. contour e. none of the mentioned
d. relief model
e. none of the mentioned 594. A piece of sawn timber two inches or less
in
588. Period of time during which an adhesive thickness and 6 inches or more in width:
remains a. scantling
suitable for use: b. board
a. pot life c. timber
b. hardener d. dimension stock
c. assembly time e. none of the mentioned
d. catalyst
e. none of the mentioned 595. A type of map that does not show relief of
the
589. Ingrowths plugged into vessels that make ground:
wood a. topographic map
suitable for tight cooperage: b. relief map
a. silica c. planimetric map
b. tracheids d. military map
c. tyloses e. none of the mentioned
d. deposits
e. none of the mentioned 596. A substitute for Lanete:
a. Duklitan
590. In lumber grading, the surface area of a b. Almon
board c. White Lauan
in square feet: d. Red Lauan
a. board measure e. none of the mentioned
b. board foot
c. surface measure 597. Wood has solitary pores:
d. square inches a. Bagalunga
e. none of the mentioned b. Apitong
c. Narra b. shearing
d. Kalantas c. conductivity
e. none of the mentioned d. creep
e. none of the mentioned
598. What is the conversion efficiency of a
sawmill 604. A strong scented wood which can ward off
when a cubic meter of log sawn produced a mill insects:
tally a. Gubas
of 212 bd.ft: b. Banlag
a. 50% c. Malatae
b. 55% d. Kalingag
c. 60% e. none of the mentioned
d. 65%
e. none of the mentioned 605. Oil extracted from this species is substitute
for
599. A highly purified form of cellulose used in linseed oil:
the a. Apitong
manufacture of rayon, tire cord, plastics, etc.: b. Lumbang
a. sulfite pulp c. Karaksan
b. fiber d. Pili
c. dissolving pulp e. none of the mentioned
d. mechanical
606. Most favored species for disposable
600. The growth of fungi is dependent on: chopsticks:
a. air circulation a. Narra
b. strength of species b. Manggis
c. moisture c. Binuang
d. suitable humidity d. Kaatoan bangkal
e. none of the mentioned e. none of the mentioned

601. Known in the trade as “Philippine 607. Operation for measuring difference in
Rosewood”: elevation:
a. Narra a. leveling
b. Tindalo b. stadia
c. Toog c. photogrammetry
d. Tibig d. bench mark
e. none of the mentioned e. none of the mentioned

602. Any rot characteristically confined to the 608. A guide to wood finishers for application of
heartwood: filler:
a. catface a. flat grain
b. heartshake b. diagonal grain
c. heartcheck c. straight grain
d. heart rot d. size of pores
e. none of the mentioned e. none of the mentioned

603. The most important electrical properties of 609. An example of warp in lumber:
wood a. case hardening
is: b. bow
a. elasticity c. brittle heart
d. collapse its
e. none of the mentioned volume at green condition is 20 cc, what is its
specific
610. A ridge wood developed in the angle gravity?
between a a. 5
lateral root and the butt of tree: b. 0.5
a. extended root c. 50
b. bole d. 0.05
c. buttress e. none of the mentioned
d. bolt
e. none of the mentioned 616. A kind of decay when both cellulose and
lignin
611. Latex derived from genus Canarium: is attacked:
a. Gutta percha a. dry rot
b. Manila copal b. brown rot
c. Manila elemi c. stain
d. Balau d. white rot
e. none of the mentioned e. none of the mentioned

612. The moisture content of a piece of wood 617. Rupture of adhesive bond:
with green a. blow
and oven dry weight of 120 and 80 g, b. glue failure
respectively, is: c. scarf joint
a. 100% d. blister
b. 50% e. none of the mentioned
c. 5%
d. 0.5% 618. The peripheral milling of wood to smooth
e. none of the mentioned one or
more surfaces to some predetermined
613. In machining, the anisotropic nature of dimension in
wood thickness or width:
affects: a. mortising
a. dulling of knives b. planning
b. moisture content c. jointing
c. chip formation d. boring
d. electrical properties e. none of the mentioned
e. none of the mentioned
619. Generally not considered part of wood
614. Earthen tubes or runways built over substance
surfaces which are soluble in neutral solvents:
of foundations to reach the wood above are a. holocellulose
signs of b. extractives
attack by: c. sapstain
a. power-post beetles d. cellulose
b. subterranean termites e. none of the mentioned
c. fungi
d. dry-wood termites 620. A premium wood species characterized by
e. none of the mentioned ripple
marks:
615. The oven-dry weight of a sample is 10g. If a. Guijo
b. Almaciga a. beams and pots
c. Yakal b. trusses
d. Narra c. framing
e. none of the mentioned d. shorts and narrows
e. none of the mentioned
621. A clearance provided in the saw to reduce
friction 627. The science of viewing objects in three
during cutting: dimensions:
a. tension a. stereoscopy
b. gauge b. geometry
c. benching c. cinematography
d. set d. parallax
e. none of the mentioned e. none of the mentioned

622. The temperature of air as indicated by 628. The most common drying defect is:
standard a. surface and end-checking
thermometer: b. collapse
a. wet-bulb temperature c. honeycomb
b. absolute temperature d. catface
c. relative temperature e. none of the mentioned
d. dry-bulb temperature
e. none of the mentioned 629. In grading, bright sapwood means:
a. painted or lacquered sapwood
623. A measure of the combined strength and b. free from stain
toughness of wood under bending stresses: c. sound sapwood
a. work to maximum load in bending d. dried sapwood
b. friction e. none of the mentioned
c. shear
d. maximum crushing strength 630. Softening wood by hot water, steam or
e. none of the mentioned chemical
treatment to increase its moldability:
624. The small soft core occurring in the a. plasticizing
structural b. equalizing
center of the log: c. stabilizing
a. heart shake d. conditioning
b. brash center e. none of the mentioned
c. heart check
d. pith 631. Lumber not planed or otherwise machined:
e. none of the mentioned a. S2S
b. dressed lumber
625. A rotary cutting process in which wood is c. S4S
removed d. rough lumber
in the form of single chips: e. none of the mentioned
a. orthogonal cutting
b. lateral cutting 632. Classified as very difficult to saw.
c. peripheral cutting a. Liusin
d. ortho-peripheral cutting b. Narra
e. none of the mentioned c. Mahogany
d. Teak
626. Studs and joints are examples of: e. none of the mentioned
633. Favored species for carving sacred or e. none of the mentioned
religious
images: 639. The green specific gravity of red lauan is
a. Batikuling 0.45.
b. Almon Calculate the total load in cu.m. a ship with a
c. Apitong capacity
d. Red Lauan of 9,000 tons can carry?
e. none of the mentioned a. 20,000 cu.m.
b. 9,000 cu.m.
634. A three-dimensional phenyl-propane c. 12,000 cu.m.
polymer d. 10,000 cu.m.
in wood. e. none of the mentioned
a. holocellulose
b. hemicellulose 640. Higher values of strengths are obtained for
c. lignin wood
d. cellulose loaded at:
e. none of the mentioned a. medium rates
b. slower rates
635. Oil ducts arranged in concentric formation: c. steady rates
a. Gubas d. more rapid rates
b. Yemane e. none of the mentioned
c. Supa
d. Narra 641. A common monomer used for wood-plastic
e. none of the mentioned combination:
a. epoxy
636. Hot and cold bath treatment with creosote b. polyethylene glycol
is c. PEG 1000
also known as: d. methyl methacrylate
a. sap displacement e. none of the mentioned
b. pressure treatment
c. diffusion treatment 642. Occurring on the underside of trunks of
d. thermal treatment leaning
e. none of the mentioned coniferous trees and branches:
a. compression wood
637. The pinching effect on saws due to stress b. mature wood
relief c. juvenile wood
may be caused by: d. tension wood
a. reaction wood e. none of the mentioned
b. juvenile wood
c. moisture content 643. That portion of branch that has become
d. age of the tree incorporated in the bole:
e. none of the mentioned a. burl
b. knot
638. What is the interior angle formed by two c. split
survey d. wane
lines S10°E and S35°W? e. none of the mentioned
a. 135°
b. 35° 644. A noose of wire rope used for skidding or
c. 90° yarding
d. 25° logs
a. choker a. Nipa
b. bull block b. Coconut
c. tog c. Kaong
d. guy lines d. Bamboo
e. none of the mentioned e. none of the mentioned

645. Logs placed transversely along a road, 650. The distortion resulting from applied stress
usually is
with branches intact, and covered with fill known as:
material a. strain
to “float” the road over soft subsoils b. hardness
a. stripes c. crack
b. corduroy d. case hardening
c. stickers e. none of the mentioned
d. log guide
e. none of the mentioned 651. When subjected to extreme heat, wood
decomposes with evolution of combustible
646. The slope, or rate of ascent or descent, of gases and
a line tarry substances leaving behind charcoal
a. gradient residues.
b. distance This process is known as:
c. contour a. pyrolysis
d. elevation b. dehydration
e. none of the mentioned c. hydrogeneration
d. combustion
647. Errors in transit work caused by e. none of the mentioned
imperfections in
the instrument itself 652. Reduction in dimensions due to lowering
a. personal error the
b. instrumental error moisture content below fiber saturation point
c. natural error a. swelling
d. common error b. desorption
e. none of the mentioned c. conduction
d. shrinkage
648. The substances that give aromatic odor to e. none of the mentioned
leaves
and twigs of many trees, which is sometimes 653. The mechanical and chemical
called disintegration and
volatile oils discoloration
a. aroma a. weathering
b. scents b. decay
c. extractives c. staining
d. essential oils d. doze
e. none of the mentioned e. none of the mentioned

649. It belongs to the grass family and 654. A substance added to an adhesive to
considered control the
as the most useful plant in the rural areas and degree of hardness of the cured film
are a. hardener
commonly called the “poor man’s timber”. b. filler
c. catalyst veneer
d. extender and other similar products
e. none of the mentioned a. semi-finished products
b. knock-down products
655. Responsible for limbing, topping and c. finished products
rigging the d. none of the mentioned
spar tree
a. climber 660. A source of oleoresin
b. slinger a. Almaciga
c. hooker b. Pili
d. high climber c. Pinus spp.
e. none of the mentioned d. Palaquium spp.

656. A predetermined set of temperature and 661. The most important property to be
humidity considered in
conditions used to dry a specific thickness and choosing wood for flooring (e.g., bowling alley)
species a. compression strength parallel to grain
of lumber b. tension strength parallel to grain
a. EMC c. shear strength parallel to grain
b. kiln schedule d. side hardness
c. wet and dry bulb temperature
d. equalization 662. A 2 x 2 x 0.5 inch sample of green wood is
e. none of the mentioned cut
from a board and its weight when green is
657. A specialty kiln dryer used for expensive found to be
species 25 grams. It is dried in a constant-temperature
with large cross sections where boiling point of oven
water at 100°C until repeated weighing show no
considerably lowered to achieve faster rate of further loss
drying in weight. The constant weight is 16.4 grams.
a. solvent dryer What is
b. chemical dryer the moisture content?
c. solar dryer a. 52.44%
d. vacuum dryer b. 36.00%
e. none of the mentioned c. 25.44%
d. 104.88%
658. Whole end-product ready for use without
need 663. Tests show that the ovendry weight of a
of processing sample
a. laminated components of wood is 40 grams. What will it weigh if it
b. dressed lumber adsorbs
c. finished product moisture to the fiber saturation point (fsp MC =
d. all of the mentioned 28%)?
e. none of the mentioned a. 51.2 g
b. 50.2 g
659. Whole-end products that requires final c.15.2 g
stages d. 23.745 g
of manufacturing and/or assembly such as, but e. none of the mentioned
not
limited to, window components, table tops, 664. The kind of defect resulting from wounds
sustained d. road corduroy
by the tree from fire or some mechanical means e. none of the mentioned
a. season check
b. split 670. From an engineering viewpoint, this part of
c. cat face a
d. wormy forest road consists of all materials placed on
e. none of the mentioned the
road above the subgrade:
665. Tightness of the veneer can be measured a. top grade
by b. concrete layer
determining the: c. pavement
a. split opening d. cut and fill
b. tolerance e. none of the mentioned
c. lathe check depths
d. direction of grain 671. One who clears away obstruction in
e. none of the mentioned logging is a:
a. clearer
666. This tree is considered as having the b. side sweeper
lightest c. utility crew
wood: d. swamper
a. Ochroma lagopus e. none of the mentioned
b. Ceiba pentandra
c. Cananga odorata 672. The poorer side of a plywood panel:
d. Polyscias nodosa a. face
e. none of the mentioned b. core
c. back
667. What is the diameter at breast height if the d. crossboard
circumference at that point is 216.77 cm? e. none of the mentioned
a. 75.10
b. 65.52 673. A fungal organism that attacks wood
c. 63.42 a. ambrosia
d. 69.00 b. mollusk
e. none of the mentioned c. martesia
d. molds
668. An abnormal condition that causes the e. none of the mentioned
wood to
break suddenly and completely across the 674. Decomposed wood substance caused by
grain: insects:
a. brittle heart a. dote
b. warping b. fecal pellets
c. heart shake c. rot
d. brashness d. decay
e. none of the mentioned e. none of the mentioned

669. A roadway having logs, saplings or small 675. The difference in elevation between two
poles contour
cross-laid or placed side by side across lines:
a. cableway a. latitude
b. skid road b. distance interval
c. unpaved road c. altitude
d. contour interval of wood?
e. none of the mentioned a. knot
b. cross grain
676. Given the density of the species at 250 c. decay
kg/cu.m., d. shake
how many cu.m. are there if the total load at a e. none of the mentioned
truck
is 12 tons? 682. A tabular statement consisting of the
a. 48 cu.m. bearings
b. 21 cu.m. and distances between corners of survey lines:
c. 30 cu.m. a. field data
d. 20 cu.m. b. technical description
e. none of the mentioned c. vegetative description
d. field description
677. Moisture loss in wood below fiber e. none of the mentioned
saturation
point is often accompanied by: 683. If the magnetic declination in a given
a. shrinkage locality is
b. toughness 5°E and the magnetic bearing is S50°W, what is
c. modulus of elasticity the
d. modulus of rupture true bearing?
e. none of the mentioned a. S55°W
b. S45°W
678. Any rot characteristically confined to the c. S55°E
heartwood: d.S45°E
a. catface e. none of the mentioned
b. heartcheck
c. heartshake 684. What is the bearing of line BC if the
d. center rot deflection
e. none of the mentioned angle is 32°54’ to the right and the bearing of
the line
679. A substance capable of holding materials AB is N47°32E’?
together by surface contact: a. N15°18’E
a. extender b. N80°26’E
b. coagulant c. N79°86’W
c. adhesive d. S79°26’W
d. catalyst e. none of the mentioned
e. none of the mentioned
685. What kind of polygon has a total interior
680. When wood at 40% MC absorbs moisture angle
up to of 720°?
80% which of the following is true? a. pentagon
a. it swells b. heptagon
b. it shrinks c. hexagon
c. it becomes heavier d. octagon
d. it becomes lighter e. none of the mentioned
e. none of the mentioned
686. The difference between quarter-sawn and
681. Which of the following is not an inherent plain-
defect sawn lumber is that the latter has wood rays
a. tangent to the wide surface 692. A renewable resource and the most
b. perpendicular to the wide surface abundant
c. almost parallel to the wide surface naturally occurring polymeric composite
d. along the wide surface material:
e. none of the mentioned a. wood
b. resin
687. A unit of measure for fuel or pulpwood c. particle board
which is d. bagasse
equivalent to 3.625 cubic meters is e. none of the mentioned
a. board foot
b. cord 693. In laying up face and back veneers during
c. stackpile assembly, the correct sequence is:
d. cubic foot a. tightsides of both veneers shall appear on
e. none of the mentioned panel surface
b. random arrangement
688. Often referred to as wood alcohol: c. both loose side of veneers on panel surface
a. carbonol d. tightside on face and loose side on back
b. cuprinol surface
c. ethanol e. none of the mentioned
d. methanol
e. none of the mentioned 694. The principal chemical component of wood
comprising 70-80%:
689. In lumber grading, the surface area of one a. tyloses
cutting b. carbohydrates
unit: c. lignin
a. board measure d. extraneous materials
b. surface measure e. none of the mentioned
c. one cubic foot
d. 12 sq in 695. When kiln drying refractory species, the
e. none of the mentioned change
in kiln schedule should be based on:
690. In knife-cut-veneer, the side of the sheet a. average MC of all sample boards
that b. average MC of 3 wettest sample boards
was farthest from the knife which does not c. average MC of 3 driest sample boards
contain d. MC of the wettest sample board
cutting checks: e. none of the mentioned
a. radial side
b. loose side 696. A class of lignocellulosic particle panels
c. tangential side using
d. tight side portland cement as binder:
e. none of the mentioned a. staypack
b. hardboard
691. The predominant hemicellulose of all c. MDF
hardwoods: d. cementboard
a. glucomanan e. none of the mentioned
b. lignin
c. xylar 697. Used in applying the adhesive-mix over
d. fructose the
e. none of the mentioned surface of the core veneers or crossbands:
a. core coater
b. glue spreader 703. Measures the amount of water in the
c. veneer spreader atmosphere:
d. glue-mix a. dew point
e. none of the mentioned b. psychrometer
c. wet-bulb thermometer
698. Period of time during which an adhesive d. dry-bulb thermometer
remains e. none of the mentioned
suitable for use:
a. hardener 704. The moisture in trees as in freshly-cut
b. catalyst lumber:
c. assembly time a. extractives
d. working life b. sap
e. none of the mentioned c. gum
d. resin
699. It leaves the surface comparatively clean, e. none of the mentioned
paintable and free from objectionable odor after
treatment: 705. It has completely filled resin canals:
a. water-borne preservatives a. Narra
b. tar b. Mayapis
c. oil-borne preservatives c. Almon
d. coal tar d. Bagtikan
e. none of the mentioned e. none of the mentioned

700. The determination of preservative 706. The fastest way of determining moisture
retention in a content
specific zone of treated wood by extraction or of wood:
analysis a. oven dry method
of specified samples: b. sun drying method
a. spectrometer c. moisture meter method
b. culture d. distillation method
c. retention by assay e. none of the mentioned
d. penetration by boring
e. none of the mentioned 707. A low-cost substitute for lumber:
a. hollow blocks
701. An example of glue filler: b. steel
a. starch c. cocolumber
b. wheat flour d. plywood
c. coconut shell flour e. none of the mentioned
d. cassava flour
e. none of the mentioned 708. What is the actual production in number of
1/4
702. A specialty dryer used for expensive inch x 4 feet x 8 feet plywood panels of a plant
species with with
large-cross-sections: an input of 100 cu m and conversion efficiency
a. solvent dryer of 50%?
b. vacuum dryer a. 256 panels
c. solar dryer b. 256 panels
d. conventional kiln-dryer c. 25,500 panels
e. none of the mentioned d. 2,650 panels
e. none of the mentioned
709. In hardwoods, the main arteries in the 715. This group of species is very hard to dry
movement a. Loktob, Mahogany, Gubas
of sap: b. Agoho, Amugis, Bagras
a. vessels c. Batino, Bolon, Igem
b. fibers d. Alupag-Amo, Binggas, Dungon
c. tyloses e. none of the mentioned
d. parenchyma
e. none of the mentioned 716. Modified fibers associated with tension in
hardwoods:
710. This process is used when maximum a. tracheid
absorption b. fire resistance
of the preservative is desired: c. gelatinous fibers
a. lowry-process d. parenchyma
b. full-cell process e. none of the mentioned
c. empty cell process
d. vacuum process 717. The simplest and cheapest way of drying
e. none of the mentioned lumber
is:
711. Plywood that is capable of withstanding a. microwave drying
prolonged b. kiln drying
exposure to severe service conditions: c. air drying
a. Type II plywood d. vacuum drying
b. exterior-type plywood e. none of the mentioned
c. interior-type plywood
d. Grade C plywood 718. One board foot is equivalent to:
e. none of the mentioned a. 0.424 cu.m.
b. 4.24 cu.m.
712. The wood of Palosapis is best used for: c. 0.00236 cu.m.
a. pulp d. 0.0245 cu.m.
b. tight cooperage e. none of the mentioned
c. match sticks
d. fuelwood 719. The first strength property of wood
e. none of the mentioned affected by
decay:
713. The deflection of the wooden beams is a. electrical conductivity
increased b. impact bending
if: c. modulus of elasticity
a. the actual load is decreased d. toughness
b. cross-sectional dimensions is decreased e. none of the mentioned
c. number of notches or holes is increased
d. cross sectional dimension is increased 720. A glue-mix is said to have 100 %
e. none of the mentioned extension when
the amount of extender added is:
714. Very mild kiln schedules are used for: a. equal to twice the amount of resin solids
a. Bagras, Batino, Bitaog b. equal to amount of resin solids
b. Yakal, Dungon, Binggas c. equal to one-half the amount of resin solids
c. Almaciga, Dita, Gubas d. equal to 100 times the amount of resin solids
d. Toog, Malakauayan, Igem e. none of the mentioned
e. none of the mentioned
721. A change in MC from FSP to oven-dry
condition 727. The process of forming curved wood by
increases wood’s steaming
a. weight or boiling the wood and bending it to form:
b. thermal insulating capacity a. elongating process
c. resistance to finishing b. steam or wood bending
d. resistance to shock c. extrusion process
e. none of the mentioned d. sleepers
e. none of the mentioned
722. Quarter-sawn lumber is synonymous to
a. flat-grained lumber 728. What is the ovendry weight of a wood
b. vertical grained lumber sample if
c. side-grained lumber the original weight is 2.02 kilos with average
d. slash-grained lumber moisture
e. none of the mentioned content of 62%?
a. 1.022 kilos
723. An example of organic solvent b. 1.0136 kilos
preservative: c. 0.795 kilos
a. synthetic pyrethoids d. 1.25 kilos
b. pentachlorophenol e. none of the mentioned
c. boron compound
d. creosote 729. The minimum size of cutting for FAS is:
e. none of the mentioned a. 3” x 2’
b. 3” x 4’
724. A condition wherein the inner fibers are c. 4” x 2’ or 3” x 3’
under d. 4” x 5’ or 3” x 7’
tensile stress, and the outer fibers are under e. none of the mentioned
compressive
stress: 730. Hardwoods are not treated well by this
a. cupping non-
b. honeycomb pressure method:
c. collapse a. dipping
d. casehardening b. steeping
e. none of the mentioned c. cold soaking
d. brushing
725. A preservative that is applied to wood in e. none of the mentioned
the
form of solution in oil: 731. An adhesive that is applied in molten state
a. water-borne preservative and
b. CCA forms a bond on cooling to a solid state:
c. pressure preservative a. hot-melt adhesive
d. oil borne preservative b. hot-setting adhesive
e. none of the mentioned c. cold-setting adhesive
d. contact adhesive
726. An example of hardwood: e. none of the mentioned
a. Gubas
b. Almaciga 732. In bandmilling, the recommended gauge of
c. Dalung the
d. Benguet Pine sawblade is dictated by:
e. none of the mentioned a. diameter of the flywheel
b. feed speed
c. length of the sawblade 738. Bright sapwood, in lumber grading, can be
d. horse power of the motor included in:
e. none of the mentioned a. unsound cutting
b. clear-face cutting
733. The side of the veneer sheet that was c. stained sapwood cutting
furthest d. discolored sapwood cutting
from the knife, which does not contain cutting e. none of the mentioned
checks:
a. tangential side 739. Used to monitor progress of drying of a
b. loose side kiln load:
c. tight side a. sample kiln
d. radial side b. monitor board
e. none of the mentioned c. sample board
d. sticker board
734. A sawmill has a conversion or recovery e. none of the mentioned
factor of
0.6. Estimate the recovery lumber in bd. ft. if the 740. A crustacean which also belongs to marine
log borers:
input is 100 cu. m. a. teredo
a. 10,000 bd. ft b. limnoria
b. 50, cu. m. c. bankia
c. 25,440 bd. ft d. martesia
d. 6,000 bd. ft e. none of the mentioned
e. none of the mentioned
741. The best index for predicting strength
735. In paper making, chemicals are added to: properties
a. darken the pulp of wood:
b. separate virgin and recycled fibers a. modulus of elasticity
c. provide sizing to make less porous b. compressive strength
d. sort fiber according to length c. shrinkage
e. none of the mentioned d. specific gravity
e. none of the mentioned
736. A factor that least affects production of
smooth 742. Classified as perishable species:
surface during machining: a. Para Rubber
a. hard metal deposits b. Malugai
b. size of pores c. Kato
c. reaction wood d. Teak
d. interlocked and variable grain e. none of the mentioned
e. none of the mentioned
743. Given the production capacity of a
737. The distance that the stock being plywood plant
processed moves at 5,000 panels of ¾” x 4’ x 8’, what is the
during given interval of time or operational required
cycle: raw materials input if the recovery is 50%?
a. orthogonal cycle a. 566 cu.m
b. feed rate b. 750 cu.m
c. peripheral cycle c. 1,000 cu.m
d. complete cycle d. 500 cu.m
e. none of the mentioned e. none of the mentioned
744. What is the net volume of a log with the b. corrugated board
following c. particleboard
measurements? d. laminated board
Scaling diameter = 80 cm Diameter of butt rot = e. none of the mentioned
40 cm
Log length = 6.0 m Length of butt rot = 5.0 m 750. The least durable of the species listed
a. 2.376 cu.m below:
b. 3.016 cu.m a. Malapapaya
c. 3.656 cu.m b. Mancono
d. 2.056 cu.m c. Dao
e. none of the mentioned d. Moluccan Sau
e. none of the mentioned
745. The total yield of lumber from a group of
logs 751. I. Majority of the Philippine timbers are
without regard to grades: diffuse-
a. mill run porous.
b. log volume II. Kalantas exhibits solitary pores.
c. lumber run
d. log scale a. TRUE-TRUE
e. none of the mentioned b. TRUE-FALSE
c. FALSE-TRUE
746. The better side of a plywood panel: d. FALSE-FALSE
a. Back e. none of the mentioned
b. log volume
c. face 752. A highly purified liquid products used in the
d. log scale manufacture of rayon, tire, cord, cellophane,
e. none of the mentioned plastics,
etc.
747. An empty-cell process in which the air in a. mechanical pulp
the wood b. dissolving pulp
is compressed solely by the preservative c. sulfite pulp
introduced d. fiber
into the cylinder under pressure. e. none of the mentioned
a. reuping process
b. lowry process 753. It refers to any irregularity or deviation
c. steaming process from the
d. bethel process qualities that make the wood suitable for a
e. none of the mentioned particular
end use.
748. Classified as durable species: a. reaction wood
a. Teak b. defect
b. Tindalo c. disease
c. Malak-Malak d. tension wood
d. Bolong-Eta e. none of the mentioned
e. none of the mentioned
754. A reaction wood formed on the upper side
749. Made by laminating together plies of paper of
about leaning hardwoods.
1/16 inch thick: a. tension wood
a. laminated paperboard b. compression wood
c. sapwood a. Narra
d. heartwood b. Pagatpat
e. none of the mentioned c. Tindalo
d. Dungon
755. The smallest aggregations of cellulose e. none of the mentioned
molecules
in the plant cell. 761. The outgrowth of tissues found inside the
a. microfibrils vessel
b. crystalline a. epithelial cells
c. elementary fibrils b. pit
d. amorphous c. silica
e. none of the mentioned d. tylosis
e. none of the mentioned
756. It is the principal chemical constituents of
the 762. Characterized by a surface tension set in
cell walls in higher plants. the shell and compression set in the core of a
a. lignin dried lumber.
b. cellulose a. bow
c. hemicellulose b. twist
d. extractives c. casehardening
e. none of the mentioned d. cup
e. none of the mentioned
757. Species with salty taste;
a. Batino 763. Occurs when the ends of the boards dry
b. Tindalo much
c. Pagatpat faster than their major portions.
d. Akle a. bow
e. none of the mentioned b. cup
c. twist
758. The property of wood which exhibits d. end checking
different e. none of the mentioned
physical and chemical characteristics along it
planes. 764. Load where the force acts over a long
a. isotropicity period of
b. hygroscopicity time is called;
c. anisotropicity a. Dead load
d. microscopicity b. Rolling load
e. none of the mentioned c. Impact load
d. Static load
759. It provides rigidity of the tree making e. none of the mentioned
upright
growth possible. 765. Internal checking when drying stresses
a. lignin that
b. cellulose developed exceeds the strength of wood.
c. hemicellulose a. case hardening
d. extractives b. honey comb
e. none of the mentioned c. end checking
d. twist
760. Species which smells like old leather. e. none of the mentioned
766. The best species for fuel wood production e. none of the mentioned
is:
772. In hardwoods, the main arteries in the
a. Kakawate movement
b. Toog of sap.
c. Molave a. parenchyma
d. Bakauan b. tyloses
e. none of the mentioned c. fibers
d. vessels
767. A series of marking made by machining e. none of the mentioned
knives in dressed lumber.
a. blemish 773. Longitudinal or axial wood cells that
b. knife marks function
c. defect mainly for food storage.
d. degrade a. wood rays
e. none of the mentioned b. parenchyma cells
c. longitudinal cells
768. The curving of the edges so that the four d. axial cells
corners e. none of the mentioned
are no longer in one plane.
a. crook 774. A yellow-colouring dye obtained from the
b. bow rhizomes of Curcuma longa and is grown in
c. cup Northern
d. twist Luzon.
e. none of the mentioned a. indigo
b. sappan
769. It is the lengthwise curvature of the wide c. turmeric
surface d. logwood
of the board. e. none of the mentioned
a. crook
b. bow 775. One of the earliest glue derived from milk
c. cup a. casein glue
d. twist b. Urea formaldehyde
e. none of the mentioned c. blood albumin
d. starch glue
770. It is the lengthwise curvature of the narrow e. none of the mentioned
surface of the board.
a. crook 776. Pigments obtained from various parts of
b. bow plants
c. cup which are used for colony textile and other
d. twist fibers.
e. none of the mentioned a. dye
b. tannin
771. Removing moisture from green wood to c. resin
improve d. gums
its serviceability. e. none of the mentioned
a. curing
b. conditioning 777. The poorer side of the plywood panel
c. seasoning a. face
d. EMC b. back
c. core 783. Consist of the narrow ribbon like strand of
d. fillers wood
e. none of the mentioned a. wood chips
b. excelsior
778. Plywood that is capable of withstanding c. saw dust
prolonged d. wood shaving
exposure to severe service condition. e. none of the mentioned
a. Interior plywood
b. Exterior type plywood 784. The state in which the particles of the
c. Grade A plywood adhesive
d. Type IV plywood are held together internally
e. none of the mentioned a. adhesion
b. cohesion
779. “ An open joint extending through or c. bending
partially d. laterwood
through a panel, which results when side by e. none of the mentioned
side core
veneers are not tightly buttered together.” 785. The cutting unit system of lumber grading
a. closed split is used
b. core gap in
c. cross break a. NHLA rules
d. dent b. stress grading
e. none of the mentioned c. machine grading
d. defect grading
780. A thin sheet of wood or peeled from a log e. none of the mentioned
or
flitches 786. Complex phenolic polymers of irregular
a. plywood structures
b. veneer in wood.
c. laminated wood a. cellulose
d. lumber b. hemicellulose
e. none of the mentioned c. carbohydrates
d. lignin
781. Speeds up chemical reaction in the e. none of the mentioned
mixture.
a. adhesive 787. Consist of cellulose and hemicellulose
b. extender a. holocellulose
c. discolored sapwood cutting b. lignin
d. catalyst c. pseudo-cellulose
e. none of the mentioned d. glucose
e. none of the mentioned
782. Grooved or notches made in cutting with
saw 788. Wood with completely filled resin canals
a. Mayapis
a. sawkerf b. Almon
b. sawline c. Bagtikan
c. sawdust d. Narra
d. sawing variation e. none of the mentioned
e. none of the mentioned
789. Strips of short horizontal that extends in a
radial grams
direction. respectively is;
a. wood rays a. 66.66 %
b. wood parenchyma b. 6.66%
c. macrofibrils c. 0.6%
d. annual ring d. 66.67%
e. none of the mentioned e. none of the mentioned

790. The fiber saturation point of wood is when: 796. “If the moisture content of a wood sample
a. both cell lumen and cell saturated with water is
b. cell wall saturated with water and no water in 30% and its ovendry weight is 100 g, what is its
the lumen green
c. both cell walls and lumen without water weight?”
d. only cell lumen is saturated with water a. 130 g
e. none of the mentioned b. 1.300 g
c. 13, 000 g
791. Bark or lack of wood d. 130 g
a. included phloem e. none of the mentioned
b. xylem
c. sapwood 797. “If the sawmill percentage recovery is 55%
d. wane and
e. none of the mentioned its target output is 23, 320 bd. Ft. What is the
required
792. Load where the force acts over a long volume in m3 of log?”
period of a. 10 m3
time is called; b. 100 m3
a. Dead load c. 1,000 m3
b. Rolling load d. 50 m3
c. Impact load e. none of the mentioned
d. Static load
e. none of the mentioned 798. Line AB was measured by a 25 meter tape
and
793. A complex phenolic polymers of irregular was found to be 2.0 km. Then when compare
structures in wood with the
a. Cellulose standard tape was found to be 10 cm. short.
b. hemicellulose What is
c. carbohydrates the correct distance of AB?
d. lignin a. 1,992 meters
e. none of the mentioned b. 2,000 meters
c. 2,008 meters
794. “General term for cup, bow, twist or crook” d. 2.025 meters
a. warp e. none of the mentioned
b. brittle
c. collapse 799. Ratio of calculated or lotted linear error to
d. case hardening the
e. none of the mentioned measured and recorded perimeter
a. backsight
795. The moisture content of a piece of wood b. range
with c. elevation
green and ovendry weight of 300 and 180 d. error of closure
e. none of the mentioned e. none of the mentioned

800. Resin obtained from Anisoptera thurifera 806. Bamboo is known as the tallest
a. manila copal ___________ in
b. manila elemi the Philippines.
c. gutta percha a. palm
d. balau b. shrub
e. none of the mentioned c. grass
d. vine
801. Shrinkage in wood usually occurs if there e. none of the mentioned
is a
loss of moisture below __________. 807.That accessory of a steam generator where
a. normal temperature the
b. normal saturation point raw water passes before it is finally feed in to
c. fiber saturation point the
d. moisture holding capacity boiler chamber
a. condenser
802. The preliminary treatment of unseasoned b. pre heater
or c. stocker
partially seasoned timber to reduce its moisture d. furnace
content and improve its absorptive properties. e. none of the mentioned
a. conditioning
b. spacing 808. As a concerned citizen what do you think
c. sorting is
d. selection the main cause for the fast depletion of our
e. none of the mentioned forest
resources which according to statistics
803. The ___________ at any given dry bulb constitute 60%
temperature (DBT) can be converted to actual of the total destruction?
air a. forest fire
humidity. b. infrastructure development
a. wet bulb depression c. shifting agriculture
b. dry bulb temperature d. logging
c. air humidity e. none of the mentioned
d. air temperature
e. none of the mentioned 809. Thermal conductivity is a means to
measure the
804. Example of species with interlocked grain. rate of ___________ in wood
a. dangula a. heat loss
b. dalingdingan b. heat sensitivity flow
c. lanete c. latent heat flow
d. malugai d. heat flow
e. none of the mentioned e. none of the mentioned

805.This preservative causes corrosion of metal 810. The yield of mechanical process pulp is
fasteners. usually higher than
a. water-borne salt preservative that in chemical process pulp; however, paper
b. oil-borne preservative manufacturer
c. creosote prefers the chemical pulp, which of the following
d. coal tar statement is
NOT correct? e. none of the mentioned
a. Mechanical pulp is even inferior in strength
than ground wood 814. A member of the oak family.
pulp produced by ordinary method even if by a. Bagras
steaming the wood b. Yemane
prior to grinding is made. c. Ulaian
b. To add strength, mechanical pulp is usually d. Gubas
mixed with same e. none of the mentioned
chemical pulp.
c. Principally item made of varying amounts of 815. Acid stimulation treatment aver the freshly
mechanical pulp cut
are newsprint, magazine, tissue paper and portion of the wood resulted to:
other items which do a. to increase seasonal yield of gum extraction
not require strength. b. prevent sap to flow
d. Mechanical pulp in general lack strength and c. to avoid wood decay
therefore use only d. to prevent infection of the wood due to the
in cheaper grades of paper. cut
e. none of the mentioned e. none of the mentioned

811. At present most veneers are dried in 816. A set of wood structural members
carefully assembled
designed and engineered driers that permit a together to support a roof.
rapid and a. purlin
uniform seasoning to produce quality plywood. b. truss
These c. studs
two types of drying are: d. rafter
I. conveyor drier e. none of the mentioned
II. hot plate drier
III. loft drying 817. Classified as easy to dry
IV. kiln drying a. Tangile, Red Lauan, Bagtikan
a. I, IV b. Ipil, Dungon, Binggas
b. I, III c. Amugis, Bitaog, Bolon
c. III, IV d. Almaciga, Dita, Kalantas
d. I, II e. none of the mentioned
e. none of the mentioned
818. In the scientific name Shorea negrosensis,
812. Gulyasan is a famous forest vine which is negrosensis is the
a good a. binomial name
source of __________. b. latin name
a. Aspirin c. specific epithet
b. Quinine d. generic name
c. Antibiotics e. none of the mentioned
d. Artabotrine
e. none of the mentioned
819. One way of differentiating the heating
value of
813. Gives blue stain when wet. two or more wood species is by determining the
a. Narra wood
b. Ibuny properties through:
c. Bolongita a. thermo wood process
d. Kamachile b. chemical analysis
c. pyrolysis d. straight-grained wood
d. hydrostatic process e. none of the mentioned
e. none of the mentioned
825. A process in wood treatment whereby a
820. When pulping a resinous conifers, resin high
and fats pressure sap displacement is made?
are extracted in an appreciable amount in the a. diffusion process
form b. boucherie process
of? c. compression process
a. sulfate soda d. vacuum process
b. black soda e. none of the mentioned
c. sulfide alkaline
d. black liquor 826. In order to insure less splintering on the
e. none of the mentioned side of
plywood when cutting, the following rules must
821. Cracking in wood like checks, shake and be
splits followed.
occur due to what? I. sawing with handsaw, the finish surface of the
a. uneven drying plywood sheet
b. poor storage is always up.
c. low moisture content II. sawing with a power saw the face is down.
d. dryness III. if a coarse blade is used in the saw, apply
e. none of the mentioned strips of masking
tape along the cut lines
822. The irreversible effect of high temperature IV. avoid using saws in cutting.
on a. I, II, IV
wood is one of degradation of wood substance, b. IV only
which c. I, II, III
results in what? d. IV, III
a. loss of weight and strength e. none of the mentioned
b. loss of durability
c. loss of moisture 827. The property of wood to resist cutting is
d. loss of weight a. hardness
e. none of the mentioned b. tensile strength
c. stiffness
823. Bow is the _________ of the wide surface d. toughness
of a e. none of the mentioned
board.
a. twist 828. Bark or lack of wood.
b. crook a. xylem
c. warp b. sapwood
d. lengthwise curvature c. included phloem
e. none of the mentioned d. wane
e. none of the mentioned
824. Wood in which the fibers run parallel to the
axis 829. In working with hard board there are things
of a piece. that need
a. bastard-grained wood to be observed.
b. diagonal-grained wood I. When sawing the face should be up when
c. spiral-grained wood hand sawn is used
and down when portable saw is used be painted-over satisfactorily
II. Casing nail is preferable rather than finishing a. Acid copper chromate
nail where b. Creosote
nail holes must be filled c. Celcure
III. Always predrill for both nail and screw d. Chromated copper arsenate
IV. Ring-shank flooring nails is not advisable e. none of the mentioned
a. I, III, IV
b. II, III, IV 834. In timber mechanics it is that point through
c. I, II, III which
d. I, II, IV the result out of the distributed gravity force
e. none of the mentioned passes
regardless of orientation of the body in space.
830. A method of splitting logs into lumber a. Free falling force
when the b. Center of gravity
logs is cut intof four parts and all cuts made c. Specific gravity
parallel d. Gravitational force
along each quarter of the logs. e. none of the mentioned
a. Quarter sawing
b. Rift sawing 835. Heartwood of this species easy to
c. Flat swing penetrate with
d. Band swing preservatives.
e. none of the mentioned a. Mancono
b. Tangile
831. A log input of 45 cu.m. was sawn by a c. Yakal
rotary mill d. Apitong
have a lumber output of 9,540 bd. ft., however, e. none of the mentioned
when
the same volume of logs was sawn in a band 836. The hemicellulose that was dissolve during
mill the mechanical pulping and peroxide bleaching can
lumber output is 13,356 bd.ft., what is the be
difference harmful in white water.
in the conversion efficiency between the two a. Anionic
type of b. Peroxidal
saws. c. Acid pulp
a. 50% d. Pectins
b. 30% e. none of the mentioned
c. 20%
d. 25% 837. High power band saw is subject to
e. none of the mentioned swaying
movement due to the sawing height of 70 cm
832. Xylem lies between the pitch and the and the
_______________. hard knots and cross grained wood. The
a. Phloem solution to
b. Cambium this problem.
c. Bark a. The band saws should be sharpen after a
d. Sap wood particular period of use
e. none of the mentioned b. Band saw should be thick enough to avoid
vibration
833. This preservative, when treated to wood, c. Determine the appropriate cutting blade
cannot d. Use of magnetic blade guidance
e. none of the mentioned being
processed during a given interval of time is
838. Which of the following retard the often
development called:
of decay in wood? a. orthogonal cycle
a. High temperature b. complete cycle
b. Available supply of suitable food c. peripheral cycle
c. Small amount of air d. operational cycle
d. Sufficient amount of moisture e. none of the mentioned
e. none of the mentioned
844. Species susceptible to blue staining.
839. Increasing the electrical resistance and a. Toog
thermal b. Rattan
insulating capacity of the wood is influenced by c. Narra
this. d. Apitong
a. variation of how it is used e. none of the mentioned
b. variation in thickness
c. unstable weather condition 845. Portion of the tree trunk that lies between
d. change in moisture content from fap to oven the
dry pith and the cambium.
e. none of the mentioned a. phloem
b. bark
840. Low specific gravity wood is __________ c. brash center
for d. xylem
furniture making e. none of the mentioned
a. not in demand
b. not preferred 846. A natural defect in wood
c. very in demand a. bird pecks
d. preferred b. wave
e. none of the mentioned c. hit-and-miss
d. knot
841. Warping of lumber is often caused by e. none of the mentioned
__________
a. kiln drying 847. It is the lengthwise curvature of the wide
b. improper treatment surface
c. improper cooking of a board.
d. uneven drying of the four side a. cup
e. none of the mentioned b. bow
c. twist
842. Specialized structures in hardwoods for d. crook
conducting e. none of the mentioned
sap upward.
a. latewood 848. Product of benzene, and naphthalene are
b. vessel usually
c. earlywood produced through sulfonation process, such
e. none of the mentioned product
d. tracheid is better known as:
e. none of the mentioned a. sodium aldehyde
b. synthetic tanning material
843. Feed rate is the distance that the stock c. synthetic wood preservative
d. acetic acid the
e. none of the mentioned wood?
a. impact bending
849. A ring porous wood b. tensile
a. White Lauan c. hardness
b. Almon d. torsion
c. Tangile e. none of the mentioned
d. Narra
e. none of the mentioned 855. Insects are often look as destructive agent
to
850. The fourth layer in a woody plant. wood conservation, however, in the lighter side
a. inner bark insect
b. medullary ray has some economic value like;
c. outer bark I. food
d. sapwood wood II. decorative material
e. none of the mentioned III. prevent spread of sickness
IV. source of perfume
851. Plants which are used for food coloring a. I, II, III, IV
here and b. IV, II
abroad c. III, IV
I. Achuete d. I, II
II. Yellow ginger e. none of the mentioned
III. Red pepper
IV. Sweet peas 856. Testing water resistance of a wood is
a. I, IV important
b. II, III, IV in choosing hard board for specific use, hence
c. I, II, III there is
d. II, IV the need to determine.
e. none of the mentioned a. percentage of shrinking
b. oven dry weight
852. With completely filled resin canals. c. percentage of swelling
a. Almon d. water holding capacity
b. Mayapis e. none of the mentioned
c. Narra
d. Bagtikan 857. When alkali cellulose is treated with
e. none of the mentioned carbon
disulfide it forms an alkali-soluble called
853. Wood produced by coniferous species is a. hemicellulose
collectively b. viscose cellulose
known as c. viscose yarn
a. palms d. cellulose xanthate
b. bamboos e. none of the mentioned
c. softwoods
d. hardwoods 858. Group of wood material with oily deposit.
e. none of the mentioned I. Supa
II. Tambulian
854. Which of these wood properties used to be III. Kayugalo
considered in measuring the load required to IV. Gmelina
embed a. I, IV
a 0.44 inches ball to one-half its diameter into b. III, IV
c. I, II, IV 864. To improve the stiffness, hardness of the
d. I, II, III surface
e. none of the mentioned of a tempered hardboard and improve its
resistance
859. An example of non-pressure treatment to abrasion there is a need to ___________.
process. a. impregnate with moisture inhibitor
a. lowry b. subject the board with heat and pressure
b. rueping before using
c. bethel c. raise the amount of additives
d. steeping d. subject the board with strength test
e. none of the mentioned e. none of the mentioned

860. The distance that the stock being 865. In most cases damage by wood boring
processed moves insects in wood is accomplished during
during a given interval of time or operational a. adult stage
cycle. b. pupal stage
a. peripheral cycle c. larval stage
b. complete cycle d. nymphs
c. feed rate e. none of the mentioned
d. orthogonal cycle
e. none of the mentioned 866. Interior checks, usually along wood rays,
caused
861. Cellulose molecules arranged in an orderly by improper drying.
manner a. splits
a. primary wall b. collapse
b. warty layer c. honeycomb
c. middle lamella d. checks
d. microfibrila e. none of the mentioned
e. none of the mentioned
867. A chemical product that give better
862. A glue joint that is poorly bonded because protection
of from attack on wood fibers and had no odor or
insufficient quantity of adhesive remained in the stain-
joint. transferring qualities.
a. scarf joint a. Sulfur oxide
b. starved joint b. Metallic salts
c. sunken joint c. NaCl
d. blister d. H2SO4
e. none of the mentioned e. none of the mentioned

863. One way of improving the serviceability of 868. Micro-organisms primarily responsible for
wood gray
by reducing its moisture content to conform with discoloration is
the a. mildew
surrounding environment is called b. mollusk
a. air conditioning c. ants
b. seasoning d. molds
c. curing e. none of the mentioned
d. oven drying
e. none of the mentioned 869. One way of preventing growth of wood
decaying 874. An oil-borne preservative.
fungi is to subject the wood from __________. a. aic copper chromate
a. submerging wood from hot liquor b. NaPCP
b. air drying c. CCA
c. applying oiling process d. All of the mentioned
d. kiln drying e. none of the mentioned
e. none of the mentioned
875. As forester, what will be your professional
870. In seasoning of wood, the most common advice
defects to those who are taking herbal plant in its raw
are: form?
I. end checking a. consult the elders
II. surface checking b. take if no adverse effects to others
III. warping c. consult doctor for advice
IV. discoloration d. never take
a. II, and IV e. none of the mentioned
b. II, III and IV
c. I, II and III 876. The measure of the maximum strength of
d. I, II and IV the
e. none of the mentioned timber subjected to force when installed as
beams,
871. Synthetic tanning materials which are the floor joints and rafters.
sulfonated product of _________. a. toughness
I. Benzene b. modulus of rupture
II. Phenol c. modulus of elasticity
III. toluene d. hardness
IV. acrylic acid e. none of the mentioned
a. I, IV
b. II, III, IV 877. The advantages of using a portable spur
c. II, III free in
d. I, II, III log yarding in the forest.
e. none of the mentioned I. You could easily position in areas where log
landing is spacious
872. Heat and pressure is applied to bind plies and accessible to loading point.
in the II. It is easier to install compared to a naturally
manufacture of coated plywood, such kind of standing timber.
plywood III. No need for accessory equipment to be
is called: attached.
a. compressive plywood IV. It requires less people to install the spur
b. laminated press plywood tree.
c. water proof plywood a. III, IV
d. tempered plywood b. I, II
e. none of the mentioned c. I, IV
d. II, III
873. A fabric that is produced from wood e. none of the mentioned
a. silk
b. rayon 878. Which of the following items constitute
c. polyester harmful
d. linen effect of fungi to wood and non-lumber product?
e. none of the mentioned I. stain the surface of wood
II. causes wood decay c. quality
III. produce poisonous substance which is d. lumber soundness
harmful to human being e. none of the mentioned
IV. produce poisonous gas
a. II, IV 883. Veneer cut in continuous ribbon by
b. I, II centering the
c. II, III, IV entire bolt in a lathe and rotating it against the
d. III, IV log.
e. none of the mentioned a. rift-cut veneer
b. sliced veneer
879. A kind of naval store which is also known c. sawn veneer
as d. rotary cutyveneer
calophony because of its brittle and friable solid e. none of the mentioned
with
a faint aromatic odor, the major constituent of 884. The method of grading lumber into
which standard
is abietic acid. classes of strength as affected by wood defects
a. sulfate turpentine is
b. rosin called
c. latex a. lumber grading
d. turpentine b. veneer grading
e. none of the mentioned c. log grading
d. stress grading
880. It is essential to season wood to its e. none of the mentioned
expected
EMC to 885. The three considerations which may
a. increase resistance to penetration of influence the
chemicals yield/quality of carbonized products from the
b. lower absorption of finishing all wood.
c. minimizing shrinkage and swelling I. heating volume
d. improve its anatomical properties II. density
e. none of the mentioned III. species
IV. humidity of air
881. The methods of extracting tannin from a. III, II and IV
bark of b. I, II and III
trees are __________. c. I and IV
I. open tank diffusion d. II and IV
II. percolation e. none of the mentioned
III. decoction
IV. autoclave 886. One of the most critical factor that causes
a. I, II, III paper
b. I, IV cockling is due to __________ where small
c. III, IV variation
d. I, II in local basis weight can cause the problem.
e. none of the mentioned a. separation
b. screening
882. A log scale system use in determining the c. cooking
potential __________ of a log. d. formation
a. lumber content e. none of the mentioned
b. grading
887. Mode of drying veneer wood 892. 3 to 7% of moisture content is very ideal
I. air and loft drying for
II. kiln drying dipterocarp veneer for __________ with phenol
III. veneer drier formaldehyde.
IV. fire drying a. painting
a. II, III and IV b. creosoting
b. I, II, III and IV c. gluing
c. I and III d. treatment
d. I, II and III e. none of the mentioned
e. none of the mentioned
893. The force sometimes express pound per
888. Box heart is a situation which the pitch square
falls inch of pull required to break the interval
entirely with the four side of a wood throughout bonding of
its? a panel board is called __________.
a. width a. breakeven point
b. cross section b. modules of elasticity
c. sap wood c. tensile strength
d. length d. modules of rapture
e. none of the mentioned e. none of the mentioned

889. Vapors from this preservative harmful to 894. A sawmill has a conversion or recovery
growing factor of
plants. 0.6. Estimate the recoverable lumber in bd. ft.
a. creosote the log
b. borax input is 100 cu.m.
c. CCA a. 25, 440 bd.ft.
d. permithrin b. 6, 000 bd.ft.
e. none of the mentioned c. 10, 000 bd.ft.
d. 10, 440 bd.ft.
890. Inert, relatively non-adhesive substances e. none of the mentioned
which
are added to the glue-mix to improve its 895. A by-product recovered from spent sulfate
working cooking liquor of a sulfate engaged in pulp and
properties. paper
a. extractives making.
b. extenders a. Sulfur oxide
c. filler b. Sulfate turpentine
d. glue c. Coal tar
e. none of the mentioned d. Sulfuric acid
e. none of the mentioned
891. Wood with high silica content causes
difficulty in 896. Cellulose molecules arranged into ordered
machining which causes __________. strands during growth of tree.
a. uneconomical to process it a. wood rays
b. rough surface of lumber b. tracheids
c. blunting of cutting tools c. vessels
d. lot of wastage d. fibrils
e. none of the mentioned e. none of the mentioned
897. Very visible in almost temperate wood, b. cord
which c. pile
usually appearing in a ring form. d. extractives
a. tracked ring e. none of the mentioned
b. resinoid
c. annual ring 903. One of the use of sulfate liquor extract in
d. hygroscopic ring the
e. none of the mentioned process of peeling
a. detergent
898. The manufacture of hardboard is done by b. tanning leather
two c. bleaching agent
processes these are ___________. d. fertilizer
a. clipping and cooking e. none of the mentioned
b. cooking and laminating
c. cutting fibers and hot pressing 904. A pulping process which subject the chip
d. wet and dry process wood
e. none of the mentioned laterally against a revolving grindstone that
reduces
899. Important in determining the deflection of the chips to a fibrous mass which after
flexural screening and
members and controlling the bucking of thickening is converted into pulp products.
compression a. Alkaline process
members. b. Mechanical process
a. toughness c. Soda process
b. modulus of elasticity d. Sulfate process
c. modulus of rupture e. none of the mentioned
d. hardness
e. none of the mentioned 905. A type of panel made from finely ground
wood
900. Nipa shingles are preferred than that of pulp, held together with a bonding agent and
galvanize lightly
roofing in areas _________. compressed and their density id far less than
a. with well pronounce wet season that of
b. with two pronounce season hardboard or particle board.
c. near the mountain a. Medium board
d. near the sea b. Block board
e. none of the mentioned c. Perforated board
d. Soft board
901. Mold is one of the attack in wood causing e. none of the mentioned
discoloration, this attack is caused by:
a. Mollusk 906. NaPCP is a derivatives of ____________
b. Martesia preservative
c. Fungi a. synthetic
d. Ambrosia b. air borne
e. none of the mentioned c. oil borne
d. water borne
902. A measure of roundwood stacked 1.2 x 1.2 e. none of the mentioned
x 2.4
m. 907. Most particle boards have a small quantity
a. stack of
paraffin added during manufacturing purpose of c. manufacturing imperfection
which is __________. d. wave
a. to keep the board fire retardant e. none of the mentioned
b. moisture retardant
c. to serve as preservative 913. Determine the density of a lumber of 20
d. to keep the surface shiny cu.m.
e. none of the mentioned loaded in a truck with a load limit of 9 tons.
a. 400 kg/cu m
908. In a sawmill set-up, that part of carriage b. 450 kg/cu m
used c. 50 kg/cu m
to control the depth of cut during sawing. d. 45 kg/cu m
a. dog e. none of the mentioned
b. cant hook
c. trimmer 914. Due to alternating humidity and drying
d. setworks which is
e. none of the mentioned common in the Philippines, what would you
recommend
909. Which of the given species of wood belong as a remedy to this situation?
to the a. Subject heater
Fagaceae Family. b. Subject to constant air circulation
I. Mt. Apo Oak c. Install a vapor barrier
II. Ulaian d. Regulate the room temperature
III. Pagatpat e. none of the mentioned
IV. Mankono
a. II and IV 915. If the overall heat transmission coefficient
b. I and III of a
c. III and IV wall is 0.15 calculate the total heat resistance of
d. I and II the
e. none of the mentioned wall.
a. 7.66
910. That accessory of a steam generator b. 6.77
where c. 6.66
pulverized coal or bunker oil is received. d. 7.77
a. stocker e. none of the mentioned
b. furnace
c. condenser 916. Woods readily gives off and absorb
d. pre heater moisture in
e. none of the mentioned the air makes it a __________.
a. moisture retardant
911. All are source of Tanin EXCEPT one b. porous material
a. Kamachile c. water proof material
b. Pagatpat d. hygroscopic material
c. Bakawan e. none of the mentioned
d. Agoho
e. none of the mentioned 917. The chief difference between plywood and
decorative panel of hardboard and gypsum
912. Include for structural framing in house board are:
construction. I. plywood is 100% wood
a. decay II. wood grain of hard board and gypsum board
b. splits panel are
either lithographed on the surface by a vinyl film d. modulus of elasticity
overlay e. none of the mentioned
III. plywood is for interior use only
IV. gypsum board panel is for external use only 922. Fire retardant is a kind of wood treatment
a. I, III purposely to reduce ___________.
b. II, IV a. heating value
c. II, III, IV b. combustibility of wood
d. I, II c. ash formation
e. none of the mentioned d. kindling temperature of wood
e. none of the mentioned
918. Plywood is offshoot of the ancient art of
veneering 923. Cork is one minor forest products that is
which dates back more than three thousand obtained
years from the outer bark of trees under the genera.
which was proven by the artifacts such as : a. Dipterocarpus
I. Veneered furniture found in the tombs of b. Abstonia
Pharaohs in Egypt c. Quercus
II. From the tombs of China d. Cacia
III. Common art in Italy and France of the e. none of the mentioned
Renaissance period
IV. Found in the Tomb of Japanese Emperor 924. Some plant which are believed to be
a. I, II and IV source of
b. I and II Herbal Medicine by the indigenous people are
c. II, III and IV often
d. III and IV causing health problem when used. All the
e. none of the mentioned causes
stated below are TRUE except one.
919. An equipment use to debark a log before it a. improper prescription by quack doctors
is b. unsanitary taking causing infection
manufactured into lumber is called _________. c. dosage not determined causing over dosage
a. peeler machine d. herbal medicine not effective
b. roller mill e. none of the mentioned
c. scraper
d. scruber mill 925. In saw milling, a set is provided to avoid
e. none of the mentioned friction
during cutting.
920. One use of the by product of the chemical a. oiling
component of wood lignen. b. clearance
a. Perfume c. inspection
b. Preservative d. benching
c. Herbal medicine e. none of the mentioned
d. Vanillin for flavoring
e. none of the mentioned 926. Plywood is an offshoot of the ancient art of
veneering which dates back more than three
921. Measure of stiffness or rigidity of a beam thousand
or years as proven by :
column. a. Veneered furniture was already introduced
a. modulus of rupture during the Medieval age
b. modulus of rigidity b. Japan Emperor used veneered plywood in
c. static bonding the 16th century.
c. Plywood has already been used by the a. Patterned hard board
Roman Empire b. Perforated board
d. Veneered furniture has been found in the c. Striated board
tombs of the Pharaohs d. Grooved hard board
e. none of the mentioned e. none of the mentioned

927. An extract in the process of pulping which 932. As Forester what do you think is the main
is purpose
the out-come of the preparation of neutralizing of discovering the economic use of the lesser
the use
liquor with lime concentration and separation of species in the forest?
the a. Sustainable development through
organic and inorganic materials which could be maximization of benefit
used b. Biodiversity conservation
for tanning leather. c. Industrialization of the country
a. Soda ash extract d. Educational purpose
b. Sulfite liquor extract e. none of the mentioned
c. Sulfide oxide extract
d. Soda lime extract 933. A thin sheet of wood sliced or peeled from
e. none of the mentioned a log
or flitches
928. Process of submerging wood in a tank of a. laminated wood
water- b. veneer
soluble preservative. c. lumber
a. vacuum treating d. plywood
b. dipping e. none of the mentioned
c. hot and cold bath
d. osmosis 934. Excessive quantity of adhesive will result
e. none of the mentioned to poor
bend called ___________.
929. Bleaching chemical that is harmful to a. uneven drying of adhesive
laminated b. poor positioning
surface and are very common as household c. starved joint
brand. d. unproportioned mixture of adhesive
a. Sodium bisulfate e. none of the mentioned
b. Hydrogen peroxide
c. Sodium nitrate 935. The primary purpose of adding extender in
d. Potassium permanganate adhesive
e. none of the mentioned a. improve drying effect
b. improve strength
930. One consideration in the choice of wood c. improve coagulation
furniture d. reduces cost of glue mix
making. e. none of the mentioned
a. High density
b. Light in weight 936. A log has a gross volume of 1.05 cu.m. If
c. Kiln dried the
d. High specific gravity volume of rotten knot is 0.105 cu.m, what is the
e. none of the mentioned percent defect?
a. 10%
931. Hardboard used chiefly as exterior siding. b. 1%
c. 0.1% a. characteristic of wood
d. 100% b. lumber’s by-products as well
e. none of the mentioned c. property of wood
d. mechanical property of wood
937. People living in a developed country are e. none of the mentioned
very
much health conscious that is why 942. Wood fiber or tracheid is essentially
____________ is a. cellulose
very much accepted b. lignin
a. Faith healer c. hemicellulose
b. Herbal medicine d. tyloses
c. Indigenous medicine e. none of the mentioned
d. Traditional medicine
e. none of the mentioned 943. Which of the following group of
commercial trees
938. A type of panels made from finely ground are hundred percent falling under the
wood classification of
pulp, held together with a binding agent and hardwood?
tightly I. Agoho
compressed. The density is far less than that of II. Benguet Pine
either III. Gubas
particle board or hard board. IV. Binuang
a. Gypsium board a. IV, I
b. Fiber board b. IV, III
c. Soft board c. I, II, III
d. Cheal board d. IV, II
e. none of the mentioned e. none of the mentioned

939. In chemical treatment of wood, what part 944. What is the density of a wood weight of
of the 200 kg
wood could easily be treated? has a volume of 20 cu.m.
a. heart wood a. 1 kg/cu.m.
b. center wood b. 0.1 kg/cu.m.
c. sapwood c. 100 kg/cu.m.
d. tracheal part of wood d. 10 kg/cu.m.
e. none of the mentioned e. none of the mentioned

940. A quartersawn lumber has rings at angles 945. 25-32% of MC is very favourable for
__________ with the wide surface of the board ___________.
a. 15 to 30 degrees a. cutting into lumber
b. 30 degrees to 40 degrees b. shaping
c. 45 degrees to 90 degrees c. working into panel
d. 20 to 40 degrees d. fungal growth
e. none of the mentioned e. none of the mentioned

941. To improve proper utilization of wood 946. Temperate wood species usually have a
derived very
from lumbering to the greatest advantage not distinct growth ring because it is influence by
just in a. La Nina
board and timber but also in ___________. b. temperature condition
c. four distinct seasons d. Batino
d. El Nino e. None of the mentioned
e. none of the mentioned
952. One of the considerations in determining
947. As applied to lumber, the size by which the
allowance commercial use of a wood.
for shrinkage is given a. Affordability
a. under size b. Workability
b. nominal size c. Demandability
c. binominal size d. Physical properties
d. oversize e. none of the mentioned
e. none of the mentioned
953. Which of the following species is MOST
948. A woody plant use for food and with susceptible
medicinal to blue stain?
value. a. Molave
a. Ampalaya b. Gubas
b. Banaba c. Toog
c. Lagundi d. Apitong
d. Malunggay e. none of the mentioned
e. none of the mentioned
954. Ways to utilize wood residues in order to
949. Medium and moderately high specific generate
gravity revenues
woods are the most preferred wood for I. biomass fuel for cogeneration
________. II. food for animals
a. mind timber III. toys manufacturing
b. poles and piles IV. crating materials
c. run way ties a. II, III, IV
d. furniture b. II, III
e. none of the mentioned c. I, III, IV
d. I, II
950. Particle board and medium density e. none of the mentioned
fiberboard
are manufactured by using the Mill-waste such 955. Losses of weight and strength of wood due
as: to irreversible of high temperature is one
I. wood chips causes of
II. splinters ________.
III. flakes and screened sawdust a. loss of durability
IV. drift wood b. loss of moisture
a. I, IV c. loss of weight
b. II, III, IV d. degradation of wood substance
c. I, II, IV e. none of the mentioned
d. I, II, III
e. none of the mentioned 956. If the density of the species is 340
kg/cu.m, find
951. This wood has a bitter taste. the weight of 12 cu.m.
a. Mayapis a. 408 kg
b. Red Lauan b. 40.8 kg
c. Almon c. 40, 080 kg
d. 4, 080 kg 962. Complex phenolic polymers of irregular
e. none of the mentioned structure
in wood.
957. Which of these factors have least influence a. lignin
in the b. cellulose
impregnation of timber by preservatives? c. carbohydrates
a. Species of wood d. hemicellulose
b. Anatomy of wood e. none of the mentioned
c. Preservative used
d. Preparation of timber 963. The defects of wood that are considered
e. none of the mentioned by lumber
graders in grading a lumber
958. It is the measurement of a forces required I. knots
to pull II. missing wood
apart a panel; the strength of the bond created III. racks in wood
by IV. discoloration
the resin which bond the solid into panel. V. treatability
a. Holding capacity VI. manufacturing
b. Internal bond a. II, III, IV
c. Compact strength b. I, II, V
d. Exterior bond c. I, II, III, IV, VI
e. none of the mentioned d. V, VI
e. none of the mentioned
959. A measurement of the forces required to
pull 964. A dipterocarp species often chosen for
apart a panel, the strength of the bond created poles
by and piles because the heart wood is easy for
the resins which bond the solid into a panel. the
a. Linear strength preservatives to penetrate
b. Internal bond a. Bagtikan
c. Modulus of elasticity b. Apitong
d. Screen bond c. White lauan
e. none of the mentioned d. Palosapis
e. none of the mentioned
960. Carbohydrates is the principal component
of 965. The purpose of removing moisture of wood
wood comprising of about ______ percent. through seasoning is to improve
a. 90-100% _____________.
b. 50-60% a. control of air flow
c. 71-75% b. strength
d. 70-80% c. serviceability
e. none of the mentioned d. electrical resistance
e. none of the mentioned
961. Known for its medicinal value and food
supplement 966. Sulfide oxide extract is a chemical extract
a. Dita resulting from ___________ of the liquor with
b. Jatropa sp. lime
c. Neem Tree concentration which often used for tanning
d. Yakon leather.
e. None of the mentioned a. combination
b. separation cabinets.
c. saturation a. T and G
d. neutralization b. beveled strip
e. none of the mentioned c. S4S
d. panel board
967. The dominant wall board production e. none of the mentioned
method
used at the moment involves laying manually 972. A ¼’ x 4’ x 8’ plywood contains how many
selected, bd.
planed all around glued wood battens into a ft.?
mould a. 16 bd.ft.
and then compressing them. This method has b. 8 bd.ft.
several c. 4 bd.ft.
shortcomings which of the following is NOT d. 32 bd.ft.
considered e. none of the mentioned
a shortcoming.
a. Very cheap to work on 973. Species and specific properties with a
b. Low productivity certain limit
c. Need for extensive planning and grinding are common as basis of determining their
d. High percentage of waste and high suitability
manpower requirement for a particular piece of work. This is on one
e. none of the mentioned way of
determining
968. An index of the amount of wood substance a. adhere to the customs and tradition
a b. maximization of the use of wood
piece contains c. proper utilization of wood
a. strength index d. sustainable use of wood
b. texture e. none of the mentioned
c. specific gravity
d. mass index 974. Properties of wood which make it hard to
e. none of the mentioned dry.
a. specific gravity
969. This property is essential in selecting b. weight
species for c. porosity
tool handles. d. density
a. toughness e. none of the mentioned
b. luster
c. color 975. Lignin is the thin element cementing layer
d. grain direction between
e. none of the mentioned a. halo cellulose
b. wood cell
970. Equilibrium moisture content is a condition c. hemicellulose
wherein the timber are considered d. cellulose
a. completely saturated of moisture e. none of the mentioned
b. neither gain or lose moisture
c. completely devoid of moisture 976. Structural fiber wallboard used in building
d. reach fiber saturation point construction is composed of ____________
e. none of the mentioned molded
and posted together and usually sized on the
971. Use for finishing edge of shelve and surface
or throughout. c. tensile stress
a. sawmill waste d. breaking point
b. layer of veneer e. none of the mentioned
c. saw dust
d. layer of chipboard 982. Tabigi is the source of dye for tanning fish
e. none of the mentioned net
and clothing and is called
977. Measured by the load required to embed a a. indigo
0.444 b. ceriops
inch ball to one-half its diameter in the wood. c. nadir
a. torsion d. nige
b. impact bending e. none of the mentioned
c. toughness
d. hardness 983. A mode of separating the inferior to that of
e. none of the mentioned the
superior material is called ____________.
978. Narrow, tapering wood cell which is closed a. Soundness testing
at b. Quality determination
both ends. c. Defect free analysis
a. microfibril d. Grading
b. wood fiber e. none of the mentioned
c. parenchyma
d. wood rays 984. The most durable of the species listed
e. none of the mentioned below.
a. Malapapaya
979. Specific gravity of woods is an index of the b. Mancono
amount c. Malabayabas
of ___________. d. Malikmo
a. mass index e. none of the mentioned
b. texture index
c. wood substance 985. It is the average dimensional change-
d. weight index shrinking
e. none of the mentioned as expansion which can be expected in
response to
980. Mechanical property of a wood that is used atmospheric or environmental humidity.
to a. Deflection
determine its strength/resistance to b. Modulus of elasticity
__________. c. None of these
a. physical force d. Linear expansion
b. external force e. none of the mentioned
c. chemical effect
d. temperature resistance 986. Sometimes referred to as horizontal shear.
e. none of the mentioned a. Longitudinal shear
b. tensile shear
981. It is an important property of wood which c. compression shear
determine the deflection o flexural members d. lateral shear
and e. none of the mentioned
control the bucking of compression members.
a. modulus of rapture 987. Which of the following factors do NOT
b. modulus of elasticity influence
the yield in carbonization of wood? b. tyloses
a. Temperature and heating time c. extractives
b. Species d. lignin
c. Wood density e. none of the mentioned
d. Relative humidity
e. none of the mentioned 992. Substances which have some adhesive
properties
988. It is often referred to as the percentage of and are added to reduce cost of glue mix.
swelling a. coagulants
that can be expected under conditions of b. minerals
extreme c. extenders
exposure. d. fillers
a. water holding capacity e. none of the mentioned
b. hygroscophyl
c. green weight 993. Decay is usually caused by wood
d. water resistant destroying fungi,
e. none of the mentioned it is also called __________.
a. deterioration
989. A superficial fungal growth often in the b. dote and rot
form c. decomposition
of a wooly or furry coating and characterized by d. cell weakening
the e. none of the mentioned
production of colored spores on the surface.
a. wane 994. Fatigue a progressive damage in wood
b. mold due to
c. stain __________.
d. dote a. Overloading
e. none of the mentioned b. Cyclic loading
c. Uneven distribution of load
990. Early days of logging is best characterized d. Uneven drying of wood surface
as e. none of the mentioned
waste fuel but now a days the situation is
reused due 995. The following are considered defects in
to the following: round
I. Wood waste goes to mill or factories for logs caused by fungus, EXCEPT one
remanufacturing a. red heart
II. Use of more efficient equipment/machine in b. decay
processing c. blue sap stain
III. Proper wood handling d. scoring
IV. Proper disposal of wood waste e. none of the mentioned
a. II, III and IV
b. I, II and IV 996. Growth ring cells characterized by smaller
c. I, II and III cavities
d. I and II and thicker walls.
e. none of the mentioned a. annual ring
b. earlywood
991. A polysaccharide of repeating glucose c. springwood
molecules d. latewood
in wood. e. none of the mentioned
a. cellulose
997. The common wood treatment applied on IV. lapses of lumber graders
foundation piling of building erected in a. I, IV
swampland is b. I, IV, III
to coat the poles with coal tar product such as: c. III, IV
I. asphaltum d. I, II, III
II. creosote e. none of the mentioned
III. sodium nitrate
IV. diesel oil ***NOTHING FOLLOWS***
a. III, IV
b. II, III
c. I, IV
d. I, II
e. none of the mentioned

998. A wood product made from converted

wood
fibers bonded into panels under heat and
pressure,
with a lignin binding. The wood fibers are
produced
by whirling knives in what the manufacture call
an
“attrition mill”.
a. Panel board
b. Cement board
c. Hard board
d. Card board
e. none of the mentioned

999. Growing restriction on fresh water use and

waste water emission are bringing change to
paper
making process that could lead to significant
effect in
a. Loss of customers
b. The closure of paper mill
c. Reduction on the paper
d. Reduction of productivity and paper quality
e. none of the mentioned

1000. In lumber grading there are more than a

hundred different factors to be considered
however, there are three major consideration in
lumber grading these are:
I. natural defects that are the result of sawing
and milling
II. variation in quality
III. characteristics that the board bears that
have resulted from
a combination of natural and man-made causes