MODULE 1

6. A machine tool used for producing holes in metal by the use of a cutting
1. Heating the above the transformation ranges, usually 1300⁰ to 1350⁰ and tool called drill.
cooling slowly to soften the metal and increase in machining.
a. Drilling machine
a. Annealing b. Bring machine
b. Hardening c. Milling machine
c. Normalizing d. Broaching machine
d. Tempering
7. A machine tool used to from metal parts by removing metal from a
2. Heating above the transformation temperature and quenching usually in workpiece by the use of a revolving cutter with many teeth each tooth having
oil, for the purpose of increasing the hardness: a cutting edge which removes its share of the stock.

a. Annealing a. Drilling machine

b. Hardening b. Boring machine
c. Normalizing c. Milling machine
d. Tempering d. Broaching machine

3. Reheating to a temperature below the transformation range, followed by 8. A machine tool used to sharpen or shape tools by using an abrasive
any desired rate of cooling to obtain the desired properties of the metal. wheel.

a. Annealing a. Tool grinder

b. Hardening b. Sharper
c. Tempering c. Planer
d. Stress relieving d. Power saw

4. Heating to a subcritical temperature about 1,100⁰F to 1,300⁰F and holding 9. A machine tools used to enlarge a hole by means of an adjustable cutting
at that temperature for suitable time for the purpose of reducing internal tool with only one cutting edge.
residual stresses.
a. Drilling machine
a. Annealing b. Boring machine
b. Hardening c. Milling machine
c. Tempering d. Broaching machine
d. Stress relieving
10. A machine tool used to cut metal parts of light, medium and large
5. Heating to some 100⁰F above the transformation range with subsequent sections using a reciprocating hacksaw blade
cooling to below that range in still air at room temperature to produce uniform
structure of the metal. a. Tool grinder
b. Sharper
a. Annealing c. Planer
b. Hardening d. Power saw
c. Normalizing
d. Tempering
11. A machine tool used to machine flat or plane surfaces with a single point 16. The process of forming metal parts by the use of dies after the metal is
cutting tool. heated to its plastic range.

a. Tool grinder a. Rolling

b. Shaper b. Forging
c. Planer c. Turning
d. Power saw d. Casting

12. A machine tool used for production of flat surfaces on pieces too large or 17. The process of forming a metal parts by the use of a powerful pressure
too heavy hole in a sharper: from a hammer or press to obtain the desired shape, after the metal has
been heated to its plastic range.
a. Tool grinder
b. Shaper a. Rolling
c. Planer b. Forging
d. Power saw c. Turning
d. Casting
13. A machine tool used to finish internal or external surfaces, such as holes
or keyways by the use of a cutter called a branch, which has a series of 18. A manganese steel containing approximately 0.20% carbon.
cutting tool edges or teeth.
a. SAE 1320
a. Drilling machine b. SAE 1230
b. Boring machine c. SAE 2340
c. Milling machine d. SAE 4230
d. Broaching machine
19. A machine tool in which metal is removed by means of a revolving with
14. An alloy of copper and tin. many teeth, each tooth having a cutting edge which remove its share of the
stock.
a. Brass
b. Bronze a. Milling machine
c. Iron b. Broaching machine
d. Tin c. Lathe machine
d. Boring machine
15. An alloy of copper and zinc.
20. A metal turning machine tool in which work the work while revolving on
a. Brass horizontal axis, is acted upon by cutting tool which is made to move slowly
b. Bronze (fee) in a direction more or less parallel to the axis of the work (longitudinal
c. Iron feed).
d. Tin
a. Milling machine
b. Broaching machine
c. Lathe machine
d. Boring machine
21. A machine tool used in the production of flat surfaces on pieces too large 26. The shop term used to include the marking or inscribing of center points,
or too heavy or, perhaps too awkward to hold in a sharper. circle, arcs, or straight lines upon metal surfaces, either curved or flat, for the
guidance of the worker.
a. Sharper
b. Planer a. shaping
c. Tool grinder b. hobbling
d. Power saw c. laying out
d. shaping
22. It consists of shaping a piece by bringing it into contact with a rotating 27. An operation of sizing and finishing a hole by means of cutting tool
abrasive wheel. having several cutting edges.

a. Drilling a. notching
b. Boring b. piercing
c. Grinding c. turning
d. Broaching d. reaming

23. A tool used in measuring diameter. 28. The operation of making a cone-shaped enlargement of the end of a
hole, as for recess for a flat head screw.
a. caliper
b. nanometer a. countersinking
c. tachometer b. knurling
d. pyrometer c. squaring
d. perforating
24. Used to true and align machine tools, fixtures, and works, to test and
inspect size trueness of finished work, and to compare measurements either 29. The operation of enlarging a hole of means of an adjustable cutting tool
heights or depths or many other, measurement. with only one cutting edge.

a. dial gauge a. drilling

b. dial indicator b. broaching
c. tachometer c. milling
d. speedometer d. boring

25. The ability of metal to be deformed considerably without rupture. 30. An imaginary circle passing through the points of which the teeth of the
meshing gears contact each other.
a. docility
b. plasticity a. pitch circle
c. malleability b. addendum circle
d. elasticity c. addendum circle
d. base circle
31. A type of bolt intended for use in bolting wooden parts together or wood 36. When meshed with a gear, it is used to change rotary motion to
to mental. It has a short portion of shank just underneath a round head, reciprocating motion.
which is designed to keep the bolt from turning in the wood when the nut is
tightened. a. gear shaft
b. gear tooth
a. u-bolt c. gear rack
b. carriage bolt d. gear motor
c. eye bolt
d. stud bolt 37. A kind of gear used for heavy duty works where a large ratio of speed is
required and are extensively used in speed reducers.
32. The number of teeth per inch of pitch diameter and which gives some
indications of size of the gear teeth. a. bevel gears
b. worm gears
a. module d. helical gears
b. pitch circle d. spiral gears
c. diametral pitch
d. circular pitch 38. A kind of gears used to transmit motion from one shaft to another shaft at
an angle to the first.
33. The distance from the center of one tooth of gear to the center of the next
consecutive tooth measured on the pitch. a. bevel gears
b. worm gears
a. circular pitch c. helical gears
b. module d. spiral gears
c. diametral pitch
d. pitch circle 39. The uniform heating of steel above the usual hardening temperatures,
followed by cooling freely in air.
34. The portion of gear tooth that projects above or outside the pitch circle.
a. annealing
a. top relief b. normalizing
b. dedendum c. hardening
c. addendum d. tempering
d. tooth space
40. The operation of cooling a heated of work rapidly by dipping it in water,
35. The portion of the gear tooth space that is cut below the pitch circle and brine or oil.
is equal to the addendum plus the clearance.
a. quenching
a. top root b. tempering
b. dedendum c. normalizing
c. addendum d. annealing
d. top land
41. A method used in softening a piece of metal that is too hard to machine 46. A material that can wear away a substance softer that itself.
and is done by heating steel slowly above the usual hardening temperature,
keeping it at the heat for ½ to 2 hours, then cooling slowly, preferably in a a. phenol
finance. b. abrasive
c. tungsten
a. broaching d. chromium
b. quenching
c. normalizing 47. A cylindrical bar of steel with threads formed around it and grooves or
d. annealing flutes running lengthwise in it, intersecting with the threads to form cutting
edges. It is used to cut internal threads.
42. The total permissible variation in the size of a dimension; the difference
between the limits of size. a. groove
b. lap
a. allowance c. tap
b. tolerance d. flute
c. variance
d. interface 48. A set of gages consisting of thin strips of metal of various thicknesses
mounted in a steel case or holder and is widely used for measuring and
43. The operation of machine the end of a work piece to make the end checking clearances.
square with axis.
a. feeler gage
a. squaring b. depth gage
b. buffing c. line center gage
c. lapping d. lay-out gage
d. honing
49. A machine tool which is very similar to a shaper except that the ram
44. The clearance between the tooth profiles of a gear tooth. reciprocates vertically rather than horizontally.

a. toothspace a. lathe
b. backlash b. grinder
c. flank c. planer
d. width d. slotter

45. A mechanism which usually do the indexing in a machine tool. 50. A machine tool used principally to machine flat or plane surfaces with
single-point cutting tool.
a. slotter
b. chuck a. grinder
c. diving head b. shaper
d. indexer c. planer
d. turret lathe
51. A kind of bolt which has no head an instead has threads on both ends. 56. It fits into the main spindle of a lathe and is so called because it as act a
bearing surface on which the work rests. It revolves with the work. When
a. Stud bolts compared with hardness of the dead center in the tailstock, it is usually soft,
b. acme threaded bolts and is so made since it does no work.
c. square threaded bolts
d. hex bolts a. ram center
b. spindle center
52. A kind of chuck which has reversible jaws which could b adjusted c. live center
separately. d. bearing center
57. A gripping device with two or more adjustable jaws set radially.
a. collet chuck
b. independent chuck a. chuck
c. four jaw chuck b. carriage
d. two jaw chuck c. tailstock
d. fan
53. A tool which when pressed into a finished hole in a piece of work
provides centers on which the piece may be turned or otherwise machined. 58. Steel balls for ball bearing are manufactured by:

a. mash a. turning
b. butt b. rolling
c. mandrel c. casting
d. wobble d. cold heading

54. A kind of chuck which should not be used where extreme accuracy is 59. Addendum of cycloidal gear tooth is:
required.
a. cycloid
a. collet chuck b. epicycloids
b. magnetic chuck c. straight rack
c. for jaw chuck d. in volute
d. universal chuck
60. In a lathe, it comprises the main spindle, the necessary mechanism for
55. The process of checking or producing checkers on the surface of a piece obtaining the various spindle speed and also certain gears which are used to
by rolling checkered depression into the surface. operate the quick change gear mechanism.

a. knurling a. headstock
b. hemming b. carriage
c. breading c. tailstock
d. embossing d. fan
61. The process of heating a piece of steel to a temperature within or above 66. A device for accurately measurement diameters.
critical rage and cooling rapidly.
a. radiometer
a. normalizing b. profilometer
b. hardening c. spectrometer
c. annealing d. micrometer
d. tempering
67. A group of thin steel strips for measuring clearance.
62. Welding operation in which a non-ferrous filler metal melts at a
temperature below that of the metal joined but is heated above 450c a. distortion gage
b. feeler gage
a. gas welding c. line center gage
b. spot welding d. deflection gage
c. brazing 68. A hand tool used to measure engine crank web deflection.
d. steam welding
a. distortion gage
63. Uniting two pieces of metal by means of different metal which is applied b. feeler gage
between the two in molten state. c. line center gage
d. deflection gage
a. carling
b. welding 69. A hand tool used to measure tension on bolts.
c. soldering
d. brazing a. indexer
b. torque wrench
64. Fusion process in which the metal is heated into a state of fusion c. torsionmater
permitting it to flow together into solid joint. d. tensiometer

a. electric arc welding 70. The permissible variation in the size of a dimension: the difference
b. gas welding between the limits of size.
c. spot welding
d. projection welding a. allowance
b. variance
c. clearance
65. Joining metal by means of high current at low voltage. During the d. tolerance
passage of current, pressure by the electrodes produces a forge weld.
71. A gear with teeth on the outer cylindrical surface.
a. spot welding
b. resistance welding a. outer gear
c. steam welding b. external gear
d. gas welding c. spiral gear
d. helical gear
72. The diameter of a circle coinciding with the top of the teeth of an internal
gear.

a. pitch diameter
b. root diameter
c. internal diameter
d. central diameter 78. It is used to produce a verily of surfing by using a circular-type cutter with
a multiple teeth.
73. A circle coinciding with a tangent to the bottom of the spaces.
a. grinding machine
a. root circle b. shaper
b. pitch circle c. drilling machine
c. addendum circle d. milling machine
d. dedendum circle
79. It is used principally to machine flat or plane surfaces with a single point
74. The total depth of the tooth spaces, equal to addendum plus dedendum. tool.

a. full depth a. drill

b. working depth b. shaper
c. whole depth c. planer
d. dedendum d. tool grinder

75. The depth of tooth space below the pitch circle. 80. Cutting a hole by means of rotating tool or the work may revolve and to
the tool remain fixed as the lathe.
a. dedendum
b. working depth a. piercing
c. full depth b. notching
d. tooth depth c. boring
d. perforating
76. The of gear teeth to each mm pitch diameter.
81. One of the following is not a tap used for cutting threads in holes.
a. diameter pitch
b. module a. tapping tap
c. circular pitch b. plug tap
d. English module c. taper tap
d. bottoming top
77. A machine tool in which abrasive wheel is used as cutting tool to obtain a
very smooth finish. 82. An index or dividing head.

a. drill a. a part of a drill press

b. grinder b. used to rotate the work
c. planer c. not used to cut helixes
d. shaper d. always manually operated
83. Galvanized iron is a term referring to iron coated with: 88. Herringbone gears are gears which:

a. tin a. do not operate on parallel shaft

b. zinc b. have a line of contact between the teeth
c. magnesium c. consist of two left handed helical gears
d. aluminum d. tend to produce thrust on the shaft

84. The moment of inertia of a rectangle whose base is “b” and height “h” 89. Internal stresses existing in a welded connection:
about base is:
a. are not relieved when the weld is peened
a. bh3/12 b. are not relieved by heat treatment
b. bh/36 c. may be relieved when the weld is peened
c. bh3/3 d. are relieved by x-ray analysis
d. bh2/4
90. In general the design stress and factory of safety are related as follows:
85. In usual spur gearing:
a. design stress = ultimate stress times factor of safety
a. the pitch circle and the base circle are the same b. design stress = ultimate stress divided by factor of safety
b. working depth includes the clearance c. design stress = design stress divided by factor of safety
c. tooth outline are usually involute curves d. design stress = factor stress divided by design of safety
d. tooth outline are always cycloidal curves
91. A group thin steel strips for measuring clearances.
86. A stainless steel is obtained principally by the use of the following
alloying element. a. depth gage
b. feeler gage
a. chromium c. lay out gage
b. tungsten d. clearance gage
c. carbon 92. A hand tool used to measure tension on bolts.
d. phenol
a. indexer
87. One of the following is not a common term relating to the classification of b. torsionmeter
fits. c. torque wrench
d. tensiometer
a. tunking
b. snug 93. A material that can wear way a substances softer that itself.
c. medium force fit
d. bound a. abrasive
b. corrosive
c. tungsten
d. alloy
94. The material used in high speed processes. 99. The operation of cooling a heated piece of work rapidly by dipping it in
water, brine or oil.
a. high speed steel
b. chromium a. tempering
c. cast iron b. annealing
d. carbon steel c. quenching
d. normalizing
95. An alloy of copper and zinc.
100. A machine tool used to machine flat surfaces.
a. chromium
b. bronze a. shaper
c. brass b. planer
d. aluminum c. grinder
d. lathe
96. An alloy of copper, tin and small amount of phosphorous.

a. chromium
b. bronze
c. brass
d. aluminum

97. The process of working metals of the application of sudden blows or by

steady pressure.

a. welding
b. extrusion
c. forging
d. swaging

98. A welding operation in which a non-ferrous filler metal melts at a

temperature below that of the metal joined but is heated above 450 C°

a. brazing
b. spot welding
c. gas welding
d. projection welding
 MODULE 2 6. The minimum thickness of steel members exposed to weather and
accessible for painting is.
1. A machine tool in which an abrasive wheel is used as a cutting tool to
obtain a very smooth finish. A. 6mm
B. 8mm
A. planer C. 4mm
B. shaper D. 10mm
C. power saw
D. grinder 7. The common deoxidizer and cleanser of steel, forming oxides and
sulfates, which are carried off in the slag.
2. It is used to produce a variety of surfaces by using a circular type cutter
with multiple teeth. A. manganese
B. carbon
A. milling machine C. tungsten
B. broaching machine D. sulfur
C. beading machine
D. hemming machine 8. A highly transparent and exceedingly hard crystalline stone of almost pure
carbon.
3. A heavy rotating body which serves as reservoir for absorbing and
disturbing kinetic energy. A. carbon
B. diamond
A. shaft C. bronze
B. governor D. crystalline
C. flywheel
D. puncher 9. A fine grained, salty silica rocks use for sharpening edge tools.

4. A kind of gear used for heavy duty works where a large ratio of speed is A. eutectoid
required and are extensively used in speed reducers. B. austenite
C. oilstone
A. helical gear D. pearlite
B. worm gear
C. bevel gear 10. An amorphous solid made by fusing silica with a basic oxide.
D. spiral gear
A. pearlite
5. A kind of gear used to transmit motion from one shaft to another shaft at B. rock
angle to the first. C. silicon
D. glass
A. helical gear
B. worm gear
C. bevel gear
D. spiral gear
11. A soft yellow metal, known since ancient times a precious metal which all 16. The process of producing a variety of surfaces by using a circular type
materials values are based. cutter with multiple teeth.

A. solidus A. piercing
B. bronze B. cutting
C. gold C. embossing
D. austenite D. milling

12. The operation of cooling a heated piece of work rapidly by dropping it to 17. The softening of metal by heat treatment and most commonly consists of
water, brine or oil. heating the metal up to near molten state and then cooling them very slowly.

A. quenching A. quenching
B. annealing B. tempering
C. squeezing C. annealing
D. normalizing D. forming

13. A device used to prevent leakage of media. 18. The maximum stress induced in a material when subjected to alternating
or repeated loading without causing failure.
A. seal
B. packings A. elastic limit
C. teflon B. proportional limit
D. graphite C. rupture strength
D. endurance limit
14. A welding operation in which a non-ferrous filler metal melts as a
temperature below that of the metal joined but is heated above 450’C. 19. The total deformation measured in the direction of the line of stress.

A. arc welding A. axial deformation

B. brazing B. elongation
C. spot welding C. strain
D. bult welding D. unit stress

15. The process of working metals by the application of sudden blows or by a 20. The maximum stress to which a material can be subjected without a trace
steady pressure. of any permanent set remaining upon a complete withdrawal of the stress.

A. trimming A. ultimate limit

B. welding B. proportional limit
C. forging C. endurance limit
D. lancing D. elastic limit
21. The total permissible variation in the size of a dimension: the difference 26. A kind of gear used for heavy duty works where a large ratio of speed is
between the limits of the size. required and is extensively used in speed reducers.

A. deformation A. spiral gear

B. variance B. bevel gear
C. tolerance C. worm gear
D. allowance D. helical gear

22. Fluid film desired between two surfaces having relative sliding motion. 27. A kind of gear used to transmit motion from one shaft to another shaft at
an angle to the first
A. lube oil
B. lubrication A. spiral gear
C. graphite B. worm gear
D. grease C. helical gear
D. bevel gear
23. Flexible material used to seal pressurized fluids, normally under dynamic
conditions. 28. Which of the following is not a classification of iron ore?

A. packings A. hamadite
B. teflon B. magnetite
C. seals C. sulfurite
D. safety shield D. siderite

24. A total resistance that a material offers to an applied load. 29. Which of the following metals will respond to heat treatment?

A. flexure A. cast iron

B. stress B. medium carbon steel
C. elasticity C. wrought iron
D. rigidity D. low carbon steel

25. A property of material which relates the lateral strains to the longitudinal 30. Which of the following is a non-magnetic?
strain.
A. cast iron
A. rigidity B. alloy steel
B. Elasticity C. cast steel
C. Poisson’s ratio D. manganese steel
D. deflection
31. The ability of metal to withstand loads without breaking down is:

A. stress
B. strength
C. strain
D. elasticity
 37. A tool with hardened points used for scribing circles or laying of
32. A machining operation whereby the tool reciprocates and the feed is distances.
stationary is called:
A. trammel
A. shaping B. caliper
B. reaming C. divider
C. planning D. micrometer
D. turning
38. Name of mechanism which a welding operator holds during gas welding
33. Any material that retards the flow of electricity used to prevent passage and at the end of which the gases are burned to perform the gas welding
or escape of electric current from conductors. operations.

A. insulators A. mash
B. bricks B. core
C. ceramics C. wobble
D. refractories D. torch

34. A metallic element and the only metal that is liquid at ordinary 39. The maximum stress to which a material may be subjected before failure
temperature. occurs.

A. austinite A. rupture stress

B. mercury B. yield stress
C. manganese C. ultimate stress
D. martensite D. allowable stress

35. An alloy of copper and zinc. 40. The maximum stress induced in a material when subjected to alternate or
repeated loading without causing failure.
A. aluminum
B. bronze A. yield point
C. brass B. ultimate point
D. nickel C. endurance limit
D. proportional limit
36. Usually a copper-tin alloy is.
41. Which of the following is not a classification of iron core?
A. aluminum
B. nickel A. hematite
C. brass B. magnetite
D. bronze C. sulfurite
D. siderite
42. Which of the following metals which will respond to heat treatment? 47. A welding operation in which a non-ferrous filler metal melts as a
temperature below that of the metal joined but is heated above 450°C.
A. cast iron
B. wrought iron A. spot welding
C. medium iron B. gas welding
D. low carbon iron C. brazing
D. arc welding
43. Materials usually ceramics employed where resistance to very high
temperature is required as for furnace linings and melting spots. 48. The operation of cooling a heated piece of work rapidly by dropping it to
water, brine or oil.
A. refractories
B. gaskets A. Quenching
C. insulators B. tempering
D. safety shield C. Annealing
D. normalizing
44. The softening of metal by heat treatment and most commonly consist of
heating the metal up to near molten state and then cooling them very slowly. 49. A machine tool in which an abrasive wheel is used as a cutting tool to
obtain a very smooth finish.
A. annealing
B. hardening A. grinding machine
C. normalizing B. broaching machine
D. tempering C. milling machine
D. boring machine
45. The process of producing a variety of surfaces by using a circular type
cutter with multiple teeth. 50. A machine tool principally to machine flat or surfaces with a single point
cutting tool.
A. milling
B. drilling A. shaper
C. broaching B. planer
D. boring C. grinder
D. broaching machine
46. The process of working metals by the application of sudden blows or by a
steady pressure. 51. A tool used for measuring diameters.

A. rolling A. micrometer
B. forging B. tachometer
C. casting C. pyrometer
D. turning D. caliper
52. The total permissible variation in the size of a dimension: the difference 57. A kind of gear used to transmit motion from one shaft to another shaft at
between the limits of the size. an angle to the first.

A. tolerance A. worm gear

B. fits B. spiral gear
C. allowance C. helical gear
D. clearance D. bevel gear

53. The maximum stress to which a material can be subjected without a trace 58. The area of the machine shop where metal is being melted to form a new
of any permanent set remaining upon a complete withdrawal of the stress. shape is:

A. ultimate stress A. welding area

B. rupture stress B. mass production area
C. elastic limit C. foundry area
D. proportional limit D. tool and die

54. Fluid film desired between two surfaces having relatives sliding motion. 59. A machine used in shaping metal by means of abrasive wheel or removal
of metals with an abrasive is called.
A. lubrication
B. seal A. planer
C. packing B. power saw
D. safety shield C. shaper
D. grinding machine
55. A total deformation measured in the direction of the line of stress.
60. The ability of material or metal to resist being crushed is:
A. stress
B. strain A. compressive strength
C. endurance limit B. fatigue strength
D. Poisson’s ratio C. torsional strength
D. bending strength
56. A kind of gear used for heavy duty woks where a large ratio of speed is
required and are extensively used in speed reducers. 61. A machining operation whereby the tool rotates while the feed is
stationary.
A. worm gear
B. spiral gear A. shaping
C. helical gear B. milling
D. bevel gear C. turning
D. reaming
62. A machining operation whereby the tool reciprocates and the feed is 68. The range of motor power in KW of a universal milling machine, max feed
stationary. movement 1270mm lengthwise, 355 mm lateral, 508 mm vertical is:

A reaming A. 11 to 15kw
B. planning B. 16to 21kw
C. shaping C. 7.5to 10kw
D. turning D. 22 to 30kw
63. Which of the following metals is easy to chisel?
69. The motor power in kW of a punch press, 50.8mm hole diameter,
A. carbon 25.4mm thickness, for soft steels:
B. manganese steel
C. phosphorus A. 15kw
D. sulfur B. 21kw
C. 7.5kw
64. Ferrous metals contain relatively large amount of: D. 30kw

A. carbon 70. The range of motor power in KW of a cylinder grinding machine 600 x 50
B. manganese mm wheel size, 2400 to 4200 mm center distance is:
C. phosphorus
D. sulfur A. 11 to 15kw
B. 16to 21kw
65. Which of the following is not a strength property of metals? C. 7.5to 10kw
D. 22 to 30kw
A. tensile strength
B. rocking strength 71. The motor power in kW of a forming or bending machine 1600mm width,
C. fatigue strength 508 mm head movement is:
D. torsional strength
A. 7.5kw
66. Which of the following is not a kind of mandrel? B. 11kw
C. 15kw
A. expansion mandrel D. 22kw
B. contraction mandrel
C. taper mandrel 72. The range of motor power in KW of an Engine lathe machine, average
D. gang mandrel service 1000mm to 1300mm swing.

67. Which of the following is not a part of lathe machine? A. 11 to 15kw

B. 7.5 to 10kw
A. tailstock C. 16 to 21kw
B. headstock D. 22 to 30kw
C. carriage
D. fan
73. A machine which can flatten surfaces on a horizontal, vertical or angular 79. A metallic element of copper-tin alloy.
plane.
A. aluminum
A. shaper B. brass
B. planer C. bronze
C. power saw D. chromium
D. tool grinder
80. A metallic element and only metal that is liquid at ordinary temperature.
74. The ability of metal to withstand forces thus the following a number twist.
A. aluminum
A. shear strength B. mercury
B. bearing strength C. zirconium
C. endurance limit D. zinc
D. deformation
81. Any material that retard the flow of electricity, used to prevent passage or
75. A property of material which relates the lateral strain to the longitudinal escape of electric current from conductors.
strain.
A. refractory
A. stress B. ceramics
B. modulus of elasticity C. coating materials
C. Poisson’s ratio D. insulator
D. deformation
82. The maximum stress to which a material may be subjected before failure
76. A total resistance that a material offers to an applied load, occurs.

A. friction force A. rupture strength

B. stress B. ultimate strength
C. rigidity C. yield strength
D. compressive force D. proportional strength

77. A total deformation measured in: the direction of the line of stress. 83. The maximum stress induced in a material when subjected to alternating
or repeated loading without causing failure.
A. strain
B. elasticity A. rupture strength
C. elongation B. ultimate strength
D. contraction C. endurance limit
D. proportional strength
78. An alloy element copper-tin alloy.

A. aluminum
B. brass
C. bronze
D. chromium
84. Fluid film desired between two surfaces having relatives sliding motion 90. A hand tool used to measured tension in volts.

A. lubrication A. torque wrench

B. seal B. tachometer
C. packing C. shaver
D. safety shield D. tensor

85. The ability of metal to withstand loads with our breaking down. 91. Ratio of pitch diameter to the number of teeth.

A. strength A, diameter pitch

B. elasticity B. module
C. rigidity C. contact ratio
D. deformation D. helical overlap

86. Materials usually ceramics employed where resistance to very high 92. A circle the radius of which is equal to the distance from the gear axis to
temperature is required, as for furnace linings and metals melting pots. the pitch point.

A. insulators A. pitch circle

B. gaskets B. root circle
C. packings C. base circle
D. refractories D. outside circle

87. An alloying element used principally to produce stainless steel. 93. A circle coinciding with a tangent to the bottom of the tooth spaces.

A. aluminum A. pitch circle

B. brass B. root circle
C. bronze C. base circle
D. chromium D. outside circle

88. A coating material used to produce galvanized iron. 94. The method of cold working by compression.

A. zirconium A. broaching
B. zinc B. lapping
C. aluminum C. piercing
D. chromium D. reaming

89. A group of thin steel strips used for measuring clearances: 95. A machine tool used to finish internal and external surfaces by the use of
a cutter called a broach, which has a series of cutting edges or teeth.
A. feeler gage
B. tachometer A. lathe machine
C. micrometer B. broaching machine
D. caliper C. planer
D. shaper
96. A cutting tool which has made to move slowly while acting on the work MODULE 3
which is revolving on a horizontal axis.
1. A tool with hardened steel points used for scribing or laying of
A. lathe machine distances.
B. broaching machine
C. planer A. Plain scriber
D. shaper B. Divider
C. Trammel
97. A machine tool used to produce variety of surfaces by using a circular D. Hermaphrodite
type cutter with multiple teeth.
2. A machine tool used principally to machine flat or plane surfaces with
A. lathe machine a single pointed tool.
B. milling machine
C. broaching machine A. Shaper
D. grinding machine B. Planer
C. Drill
98. Used in production of flat surfaces on piece too large or too heavy to hold D. Power Saw
in a shaper.
3. A machine tool in which an abrasive wheel is used as a cutting tool to
A. planer obtain a very smooth finish.
B. shaper
C. grinder A. Broaching Machine
D. shaver B. Planer
C. Tool Grinder
99. Used to machine flat in curved surfaces with a tool which moves in a D. Milling Machine
reciprocating motion.
4. The process of working metals by the application of sudden blows or
A. planer by steady pressure.
B. shaper
C. grinder A. Casting
D. shaver B. Turning
C. Forging
100. A material that can wear away a substance softer that itself. D. Rolling

A. abrasive 5. The operation of cooling a heated piece of work rapidly by dipping it in

B. tungsten water, brine or oil.
C. carbon
D. corrosive A. Quenching
B. Annealing
C. Tempering
D. Normalizing
6. The softening of metal by heat treatment and most commonly consist 11. A machine used in shaping metal by means of an abrasive wheel or
of heating the metal up to near molten state and then cooling it very the removal of metals with an abrasive is called:
slowly.
A. planer machine
A. Annealing B. power saw
B. Indexing C. shaper machine
C. Knurling D. grinding machine
D. Soldering
12. Which of the following is not a part of lathe machine?
7. Fluid film desired between surfaces relative sliding motion.
A. Tailstock
A. lube oil B. Fan
B. Lubrication C. Carriage
C. Grease D. Headstock
D. graphite
13. Which of the following is easy to chisel?
8. A kind of gear used to transmit motion from one shaft to another shaft
at an angle to the first. A. cast iron
B. alloy steel
A. worm gear C. cast steel
B. bevel gear D. manganese steel
C. helical gear
D. spur gear 14. A machining operation whereby the tool reciprocates and the feed is
stationary is called:
9. The principal material used in high production metal working tools. A. Shaping
B. Reaming
A. hyper-eutectoid C. Planning
B. high speed steel D. Turning
C. Lead
D. high speed carbon 15. Which of the following is not a kind of mandrel?

10. A heavy rotating body which serves as a reservoir for absorbing and A. expansion mandrel
redistributing kinetic energy. B. taper mandrel
C. contraction mandrel
A. Flywheel D. foundry mandrel
B. Governor
C. Shaft 16. The area of the machine shop where the metals is being melted to
D. Puncher form a new shape.

A. welding area
B. mass production area
C. foundry area
D. tool and die area
17. Which of the following is not used to temper steel. 23. Substances having sufficient carbon and or hydrogen for chemical
oxidation to produce exothermally, worthwhile quantities of heat.
A. brine salt bath
B. oil bath A. Lubrication
C. water bath B. Graphite
D. steam bath C. Grease
D. Fuels
18. Which of the following is not a kind of cast iron?
24. A device that measures atmospheric pressure.
A. malleable iron
B. head iron A. Piezometer
C. gray iron B. Hydrometer
D. white iron C. Barometer
D. Odometer
19. The kind of center which is being attached and meshed to the
tailstock spindle which is also static while the work is rotating. 25. The mass of the body per unit volume.

A. dead center A. Volume flow rate

B. live center B. Density
C. focal center C. Weight
D. work center D. Mass

20. Which of the following is not a part of the headstock? 26. Subjecting a substance to a high temperature below the fusion point,
usually to make it friable.
A. Spindle
B. Anvil A. calcinations
C. back gear B. fusion
D. motor C. boiling
D. Superheating
21. Which process does not belong to the group?
27. A special metal formed when two or more metals are melted
A. vise grip together.
B. adjustable wrench
C. torque wrench A. Monel
D. feeler gage B. Alloy
C. Solder
22. Which does not belong to the group? D. hastalloy

A. Resistance welding
B. Soldering
C. Hardening
D. Brazing
28. The ability of a moving body to perform work.
33. The internal resistance a material offers to being deformed and is
A. internal energy measured in terms of applied load.
B. potential energy
C. kinetic energy A. Strain
D. flow work B. Elasticity
C. Stress
29. Hardening the surface of iron-based alloys by heating them below D. Resilience
the melting point in contact with a carbonaceous substance.
34. The deformation that results from a stress and is expressed in terms
A. Carburizing of the amount of deformation per inch.
B. Normalizing
C. Martempering A. Elongation
D. Hardening B. Strain
C. Poisson's ratio
30. Any material that retard the flow of electricity, used to prevent or D. Elasticity
escape of electric current from conductors.
35. The ability of the material to return to its original shape after being
A. Bricks elongated or distorted when the forces are released.
B. Insulators
C. Refractories A. Elasticity
D. Ceramics B. brittleness
C. Plasticity
31. Material, usually ceramics, employed where resistance to very high D. Creep
temperature is required, as a for furnace linings and metal melting pots.
36. The last point at which a material may be stretched and still return to
A. Bricks its undeformed condition upon release of the stress.
B. Insulators
C. Refractories A. rupture limit
D. Ceramics B. elastic limit
C. proportional limit
32. A device used to prevent leakage of media. D. ultimate limit
A. Packing
B. Safety shield 37. The ratio of stress to strain within the elastic limit.
C. Gasket
D. Seals A. Creep
B. Modulus of rigidity
C. Modulus of elasticity
D. Poisson’s ratio
38. The ability of a metal to withstand forces that causes a member to 43. In the color coding of pipe, the color for a pipeline of air is:
twist.
A. light blue
A. shear strength B. light orange
B. tensile strength C. White
C. bearing strength D. Gray
D. torsional strength
44. In the color coding pipe, the color for a pipeline of water is:
39. The ability of material to resist being crushed.
A. Light blue
A. tensile strength B. Green
B. shearing strength C. Brown
C. compressive strength D. Silver gray
D. torsion
45. In the color coding of pipe, the color for pipeline of steam is:
40. The ability of metal to stretch, bend or twist without breaking or
cracking. A. Light orange
B. White
A. Elasticity C. Silver gray
B. Ductility D. Light blue
C. Brittleness
D. Plasticity 46. The color for a pipeline of electricity in the color coding of pipe is:

41. The property of a material which resist forces action to pull the A. light orange
material apart. B. white
C. silver gray
A. shear strength D. light blue
B. tensile strength
C. compressive strength 47. In the color coding of pipe, the color for pipeline of communication is:
D. bearing strength
A. light blue
42. The property of steel which resist indention or penetration. B. White
C. Brown
A. Hardness D. light orange
B. Elasticity
C. Ductility 48. The color of pipeline of fuel oil in the color coding of pipeline is:
D. none of these
A. light blue
B. brown
C. white
D. light orange
49. For high speed application the minimum number of teeth in small 54. For a high corrosion resistant stainless steel, what minimum
sprocket should be: chromium content is required?

A. 18 to 24 A. 8.0%
B. 26 to 30 B. 4.5%
C. 14 to 18 C. 1.5%
D. 24 to 28 D. 8.5%

50. The good deoxidizer in steel melting is: 55. At quite low temperature (say-75%) the notched bar impact value of
steel.
A. Manganese
B. Aluminum A. increases significantly
C. Silicon B. decreases significantly
D. all of these C. remain unchanged
D. depends on heat treatment
51. In majority of machine members the damping capacity of the material
should be: 56. In order to realize the advantage of fluid friction, it is essential to
have:
A. Zero
B. High A. no oil film
C. Low B. converging oil film
D. Anything C. diverging oil film
D. parallel oil film in bearing
52. For the moderate speed of mating gears, the ideal ratio of contact is:
57. Zero axial thrust is experienced in:
A. 1.35-1.55
B. 1.0-1.3 A. herringbone gears
C. 1.25-1.45 B. helical gears
D. 1.25-4.0 C. bevel gears
D. worm gears
53. The crest diameter of a screw thread is same as:
58. The maximum size of the fillet weld that can be made in single pass
A. pitch diameter is:
B. minor diameter
C. major diameter A. 3 mm
D. base diameter B. 6 mm
C. 7 mm
D. 4 mm
59. Muntz metal contains;
65. In a standard coarse thread bolt, the stress concentration is
A. copper-aluminum maximum at:
B. copper- tin
C. copper- nickel A. all over the surface
D. Copper-zinc B. Top surface
C. Root
60. Steel bars for ball bearings are manufactured by: D. Flank

A. Cold heading 66. Which of the following ropes are more flexible?
B. Casting
C. Rolling A. 6 to 19
D. Turning B. 6 to 7
C. 8 by 19
61. In general, alloys with high nickel content retain toughness to quite D. 6 by 37
low temperature up to:
67. Tools usually used in wood pattern making in foundry shop.
A. -250°F
B. -360°F A. band saw
C. -320°F B. saws and chisels
D. -240°F C. knives and drills
D. grinder
62. Manganese steel standard designation is SAE____.
68. Type of bolt commonly used in the construction that is threaded in
A. 8XXX both ends
B. 10XX A. hex bolt
C. 12XX B. stud bolt
D. 13XX C. square threaded bolts
63. A babbit is: D. eye bolt

A. a cutectic of iron and iron phosphide 69. Cast iron flywheels are commonly designed with factor of safety of:
B. a gadget for measuring volume
C. a measure of magnetic induction produces in a material A. 9 to 12
D. antimony bearing lead or tin alloy B. 8 to 11
C. 10 to 13
64. The minimum thickness of steel members exposed to weather and D. 7 to 10
accessible for painting is:
70. Which of the type of chain is used in motorcycle?
A. 4 mm
B. 6 mm A. Silent
C. 8 mm B. Pintle
D. 10 mm C. Bush holder
D. Long
71. Spiral gears are suitable for transmitting: 77. Belt slip may take place because of:

A. any power A. loose load

B. small power B. heavy belt
C. huge power C. driving pulley too small
D. pulsating power D. all of the above

72. The type of cam used for low and moderate speed engines is 78. Rankine formula is valid up to slenderness ratio of:
generally:
A. 460
A. Flat B. 480
B. Involute C. 120
C. Tangent D. 150
D. Harmonic
79. In flange coupling the weakest element should be:
73. Gears for wrist watches are generally manufactured by:
A. Flange
A. Molding B. Key
B. Stamping C. Bolts
C. Galvanizing D. Shaft
D. Honing
80. Singe coupling is:
74. The rated life of bearing changes:
A. used for collinear shaft
A. inversely as cube of load B. used for non- collinear shafts
B. directly as load C. rigid coupling
C. inversely as square of load D. flexible
D. inversely as load
81. Universal coupling is:
75. The best material for brake drum is:
A. used for collinear shaft
A. cast iron B. used for non- collinear shafts
B. Steel C. type of flange coupling
C. Aluminum D. rigid coupling
D. Wrought iron
82. In powder metallurgy the process of heating the cold pressed metal
76. An electric body whose primary function is to deflect under load powder is called:

A. Spring A. Deposition
B. Brake B. Granulation
C. Stopper C. Sintering
D. Clutch D. Precipitation
83. Which one is different from the remaining? 89. Age-hardening is related with:

A. Nitriding A. Cast iron

B. Cyaniding B. Stainless steel
C. Electroplating C. Duralumin
D. Flame hardening D. German silver

84. Splines are used when: 90. Foundry crucible is made of:

A. the power transmitted is low A. German silver

B. the power to be transmitted is high B. Lead
C. axial relative motion between shafts and hub is necessary C. Mild steel
D. flame hardening D. Graphite

85.Delta iron occurs at temperature of: 91. Trimming is a process associated with:

A. room temperature A. Forging

B. above melting point B. machining of metals
C. between 1400°C & 1539°C C. Eloctroplating
D. between 1000°C & 1400°C D. Press work

86. The most important element that controls the physical properties of 92. A plug gauge is used to measure:
steel is:
A. taper bores
A. Carbon B. cylindrical bores
B. Silicon C. spherical bores
C. Manganese D. screw threads
D. Tungsten
93. In arc welding operations the current value is decided by:
87. The process commonly used for thermo-plastic material is:
A. length of welded portion
A. diecasting B. voltage across the arc
B. injection moulding C. size of the of electrode
C. shell moulding D. thickness of plate
D. cold forming
94. The phenomenon of weld decay takes place in:
88. Select the one that has highest specific gravity?
A. Cast iron
A. Aluminum B. Brass
B. Lead C. Bronze
C. Brass D. Stainless steel
D. High carbon steel
95. Choose the one that will have highest cutting speed. MODULE 4

A. Aluminum 1. The hardness of steel increases if it contains:

B. Brass
C. Bronze A. Martensite
D. Cast iron B. Pearlite
C. Austenite
96. Projection welding is: D. All of the above

A. continuous spot welding process 2. How do call a steel with 0.8% carbon and 100% peartile?
B. used to make mesh
C. multispot welding process A. Austenite
D. used to form B. Solidus
C. Hyper-eutectoid
97. Least shrinkage allowance is provided in case of which of the D. Eutectoid
following:
3. What is the range of the tensile strength of common varieties of cast
A. cast iron iron?
B. Aluminum
C. white cast iron A. 40-60 Mpa
D. brass B. 150-180 Mpa
C. 840-500 Mpa
98. Dilatometer is used to find out which property of molding sand. D. 1500-1650 Mpa

A. Permeability 4. Fatigue failure occurs when a part is subjected to:

B. Hot strength
C. Fineness A. Compressive stress
D. Moisture content B. Tensile stress
C. Torsional stress
99. Cast alloy contains: D. Fluctuating stress

A. Copper 5. Paramagnetic alpha iron changes to gamma iron at what

B. Nickel and copper temperature?
C. Copper and aluminum
D. Nickel and molybdenum A. 440˚C
B. 910˚C
100. The maximum harden ability of the steel depends on: C. 970˚C
D. 1639˚C
A. the carbon content
B. the chemical composition
C. the grain size
D. the alloying elements present
6. The diameter of the washer is generally: 12. Which of the following describes the “slip” in belt drive?

A. Equal to the diameter of the bolt A. Loss in power

B. Slightly more than the diameter of the bolt B. Difference between the angular velocities of 2 pulleys
C. Slightly less than the diameter of the bolt C. Difference between linear speed of the rim
D. Of any size that suits the application D. Difference between the linear speed of the rim of pulley and the
belt on it.
7. The compression members tend to buckle in the direction of:
13. Which of the following is the orientation of the axes of the two shafts
A. Axis of load in cross helical worm?
B. Minimum cross-section
C. Least radius of gyration A. Parallel
D. Perpendicular to the axis of load B. Non-parallel
8. A kinetic chain needs a minimum: C. Intersecting
D. Non-parallel and non-intersecting
A. 2 links and 2 turning pairs
B. 3 links and 3 turning pairs 14. In case of gears the addendum is given by:
C. 4 links and 4 turning pairs
D. 3 links and 2 turning pairs A. 1 module
B. 2.16 x module
9. Which of the following pairs is formed if shaft is revolving in a C. 1.57 x module
bearing? D. 1.25 / module

A. Lower fair 15. How do you call a cam where in the follower reciprocates or
B. Turning pair oscillates in plane parallel to its axis?
C. Sliding pair
D. Cylindrical pair A. Circular cam
10. How many links are there in a pantograph? B. Reciprocating cam
C. Cylindrical cam
A. 3 D. Oscillating cam
B. 4
C. 5 16. How are gears for watches generally manufactured?
D. 6
A. Die casting
11. A pantograph is a mechanism having: B. Machining in hobber
C. Power metallurgy process
A. Lower pairs D. Stamping
B. Rolling pairs
C. Spherical pairs
D. Higher pairs
17. Rope break dynamometer uses what? 23. What is the function clutch in the machine tools?

A. Oil as lubricant A. Alignment of drive

B. No lubricant B. Lowering of drive
C. Grease as lubricant C. To insure that 2 shafts line up at high speed
D. Water as lubricant D. To connect shaft so that the driven shaft will rotate with the
driving shaft and to disconnect them at all
18. Which of the following could be the effect of cold working?
24. The height of tooth above the pitch circle or the radical distance
A. Increases the fatigue strength between pitch circle and top land of the tooth.
B. Decrease the fatigue strength
C. Has no influence on fatigue strength A. Addendum
D. None of these B. Dedendum
C. Top rooth
19. In testing a material for endurance strength, it is subjected to: D. Top land

A. Completetly reverse load 25. How do call the distance of the tooth which is equal to the sum of the
B. Static load addendum and the dedendum?
C. Impact load
D. Dynamic load A. Full depth
B. Working depth
20. Coaxing is athe procedure of increasing: C. Whole depth
D. Pitch
A. Metal strength
B. Metal hardness by surface treatment 26. Which of the following stresses that is independent of loads?
C. Metal resistant to corrosion by coating
D. Fatigue limit by overstressing the metal by successively A. Shear stress
increasing loadings B. Residual stress
C. Design stress
21. Up to what percent thikness of plate, edge preparation for welding is D. Yield stress
not needed?
27. Which of the following is not used to resemble the shape of tool bit?
A. 2mm
B. 4mm A. Thread cutting
C. 8mm B. Center cutting
D. 12mm C. Square nose
D. Round nose
22. Arc blow take place in:

A. Gas welding
B. Arc welding when straight polarity is used
C. Arc welding when reverse polarity used
D. Welding stainless steel
28. What is the recommended best cutting angle of drill for work on steel 33. Clutch slippage while clutch is engaged is especially noticeable:
or cast iron?
A. During idling
A. 39 degrees B. A low speed
B. 49 degrees C. During acceleration
C. 59 degrees D. During brake
D. 29 degrees
34. In general, to engaged securely and prevent dragging, what is the
29. Copper and most of its alloys can be hardened by which of the clearance between releases bearing and release collar in the clutch?
following?
A. 2 – 3 mm
A. Cold working B. 4 – 5 mm
B. Soaking C. 6 – 7 mm
C. Patenting D. 8 – 9 mm
D. Case hardening
35. Piston compression rings are made of what material?
30. Types of V-belts to use in a driving pulley with speed of 360 rpm and
transmitting 5 Hp. A. Steel
B. Bronze
A. Type A belts C. Aluminum
B. Type B belts D. Cast iron
C. Type C belts
D. Type D belts 36. What is the usual value of helix angle of drill?

31. Which of the following is not an angle measuring device? A. 120 degrees
B. 110 degrees
A. Bevel protector C. 60 degrees
B. Sine bar D. 30 degrees
C. Combination square
D. Angle iron 37. What is meant by drossing?

32. The mould for casting ferrous materials in continuous casting A. A method of cleaning the castling
process is made of what material? B. An inspection method for castling
C. A method of deoxidation of molten metal
A. Copper D. The formation of oxides on the molten metal surface
B. Medium carbon steel
C. High carbon steel 38. If the first digit in AISI and SAE designation is one (1), then, it
D. Low carbon steel indicates what?

A. Carbon steels
B. nickel steels
C. molybdenum steels
D. Chromium steels
39. Which of the following where the gear tooth vernier is used to 44. During tensile test, which of the following stress-strain curve(s) fits for
measure? a glass rod?

A. Module A. A straight line

B. Gear tooth profile B. A parabola
C. gear tooth thickness of gear tooth C. An irregular curve
D. pitch line thickness of gear tooth D. A sudden break

40. A cold chisel is made of what? 45. In case of a knuckle joint, the pin is most likely to fail in:
A. Shear
A. Mild steel B. Tension
B. German steel C. Compression
C. High carbon steel D. Double shear
D. Cast iron
46. A single ply leather belt running at a belt velocity of 300
41. It is the ability of a material to absorb energy when deformed ft /min is likely to transmit per inch of width:
elastically and to return it when unloaded.
A. 2.5 Hp
A. Creep B. 3.0 Hp
B. Fatigue strength C. 4.0 Hp
C. Resilience D. 5.0 Hp
D. Toughtness
47. At what temperature range where ferromagnetic alpha iron exist?
42. Which of the following cams where the follower reciprocates or
oscillates in a plane perpendicular in a plane parallel to the axis of A. Below 723 Celsius
rotation? B. 700-910 Celsius
C. 1000-1440 Celsius
A. Cams curves D. Above 1593 Celsius
B. Radial cam
C. Cylindrical cam 48. How do you call a body have identical properties all over?
D. Tangential cam
A. Heterogeneous
43. Which of the following cams where the follower reciprocates or B. Homogeneous
oscillates in a plane perpendicular its axis of rotation? C. Elastic
D. Ductile
A. Tangential cam
B. Cam curves 49. How is the material described if it recovers its original dimensions
C. Radial cam when the load is removed?
D. Cylindrical cam
A. Elastic
B. Plastic
C. Brittle
D. Malleable
 56. A twist drill is specified by which of the following?
50. What is tha percentage of carbon in Eutectoid steel?
A. Its shank and diameter
A. 0.02% B. Shank, material and flute size
B. 0.30% C. Its diameterang lip angle
C. 0.63% D. shank, material and diameter
D. 0.80%
57. Which of the following is used to measure the clearance between the
51. The presence of sulfur in pig iron makes: value and tappet of an automobile engine?

A. The casting unsound A. Shape gauge

B. It brittle B. Slip gauge
C. It hard C. Feeler gauge
D. It is easy machinable D. Vernier scale

52. What is the effect of alloying zinc to copper? 58. Speedometer drive is generally taken from:

A. Increase hardness A. Gear box

B. Impart free-machining properties B. Fan belt
C. Improve hardness and strength C. Flywheel
D. Increase strength and ductility (if added up to 10-30%) D. Front wheel

53. The imperfection in the crystal structure of metal is: 59. What is the usual percentage of cut on the return stroke of hacksaw
blade?
A. Impurity
B. Fracture slip A. 0
C. Slip B. 5
D. Dislocation C. 7
D. 9
54. When is the pressure release in resistant welding?
60. Which of the following will best describe sunk key?
A. After the weld cools
B. During heating period A. The keyway is helical along shaft
C. After complition of current B. The keyway is cut in hub only
D. Just at the time of passing of the current C. The keyway is cut in shaft only
D. The key is cut in both shaft and hub
55. If it is the thickness of sheet to be spot welded, then electrode tip
diameter is equal to___.

A. T2
B. 2 sq.rt. Of t
C. Sq. rt. Of t
D. 1.5 sq. rt. Of t
61. Which of the follwing where turn buckle has ? 66. At what temperature those gamma irons exist?

A. Left hand threads on one end and right hand threads on other A. Between 910˚C and 1400˚C
end B. Between 1400˚C and 1539˚C
B. Right hand threads on both ends C. Near melting point
C. Left hand thraeads on both ends D. Room temperature
D. No threads
67. The behavior of metals where in strength of metal is increased and
62. Which of the following is the best process for butt welding of two the ductility is decreased on heating at a relatively low temperature after
plates each of which is 25mm thick? cold working is called:

A. Electro slag welding A. Clustering

B. Gas welding B. Twinning
C. Sudmerged arc welding C. Screw dislocation
D. Steam welding D. strain aging

63. Which of the following statement(s) is correct for an oil less bearing: 68. Which of the following statement(s) is correct in “carbon steel
castings”?
A. The oil film is maintained by supplying oil under pressure.
B. The oil film pressure is produced only by rotation of the journal. A. The percentage carbon is less than 1.7%
C. Do not need external supply of lubricant B. The percentage carbon is between 1.7% to 2%
D. Grease is needed to be applied after some intervals C. The percentage for alloying elements is controlled
D. None of the above
64. The working load P for a chain for crane application is expressed in
terms of diameter of link “d” in cm as follows: 69. Aluminum alloys for pressure die casting:

A. P = 1.5 d2 A. Must not be free from hot shortness

B. P = 25 d2 B. Must have iron as one of the constituents
C. P = 50 d2 C. Must not possess considerable fluidity
D. P = 500 d2 D. Must be light

65. The column splice is used for increasing: 70. Which of the following is maximum in 18-4-1 high speed steel?

A. Cross-sectional area of the column A. Tungsten

B. Length of the column B. Chromium
C. Strength of the column C. Argon
D. All of the above D. Iron
71. Super conductors: 76. Arc metal patterns are used for:

A. Exist at temperature below 10K A. Precision castings

B. Are the dense metals without voids B. Small castings
C. Are non-metallic substances C. Large castings
D. Are the purest forms of metals D. Large scale production of castings

72. When large number of components are turned and parted off from a 77. What tool is used in foundry for repairing the mould?
bar, the chuck generally used is:
A. Swab
A. 2 jaw chuck B. Gagger
B. 4 jaw chuck C. Bellows
C. Collet chuck D. Rammer
D. Magnetic chuck
78. What tool is used in foundry for smoothening and cleaning out
73. Cutting speed for some materials are as under which one of the depression in the mould?
following could be cutting speed for brass?
A. Swab
A. 30 m/min B. Gagger
B. 40 m/min C. Bellows
C. 80 m/min D. Rammer
D. 50 m/min
79. Which of the following does not have to be lubricated when drilling?
74. If V is the volume of metal in casting and A as its surface area, then
the time of solidification will be proportional to: A. Brass
B. Steel
A. V2, 1/A C. Monel
B. 1/V 2, A 2 D. Mild steel
C. V , 1/A 2
D. V 2, 1/A 2 80. The tool used in precision work to smooth or enlarge holes is called
a:
75. The draft allowance on metallic pattern as compared to wooden ones
is: A. Round out
B. Drift pin
A. More C. Reamer
B. Same D. Protractor
C. Less
D. More or less depending on size 81. When measuring a drill for size, measure across the:

A. Margins
B. Flutes
C. Shank
D. Point
82. How do you call the tool used for cleaning files? 88. A machining operation whereby the tool reciprocates and the feed is
stationary.
A. File cleaner
B. File card A. Planning
C. File oilstone B. Shaping
D. Scraper C. Turning
D. Reaming
83. The melting point of Babbitt is approximately:
89. Which of the following is not a tap used for cutting threads in holes?
A. 1000˚F
B. 650˚F A. Tapping tap
C. 750˚F B. Plug tap
D. 500˚F C. Taper tap
D. Bottoming tap
84. How is tubing measured?
90. Herring bone gears are gears which:
A. Inside diameter
B. Outside diameter A. Do not operate on parallel shafts
C. Thickness of wall B. Have a line contact between the teeth
D. Wire gage C. Consist of two left handed helical gears
D. Tend to produce thrust on the shafts
85. Which of the following metals will respond to heat treatment?
91. Which of the following statements is true for the internal stresses
A. Cast iron existing in a welded connection?
B. Wrought iron
C. Medium carbon steel A. Internal stresses are not relieved by heat treatment
D. Low carbon steel B. Internal stresses are not relieved when weld is peened
C. Internal stresses may be relieved when weld is peened
86. The ability of metal to withstand loads without breaking down is: D. Internal stresses are relieved by x-ray analysis

A. Stress 92. Stainless steel is obtained principally by the use of which of the
B. Strength alloying elements?
C. Strain
D. Elasticity A. Chromium
B. Nickel
87. Which of the following metals is non-magnetic? C. Carbon
D. Tungsten
A. Cast iron
B. Alloy steel
C. Cast steel
D. Manganese steel
93. Galvanized iron is a term referring to iron coated with: 98. Which of the following is the not the other name of circumferential
stress for thin walled cylinders.
A. Tin
B. Zinc A. Hoop stress
C. Magnesium B. Girth stress
D. Aluminum C. Tangential stress
D. Longitudinal stress
94. Which of the following is not a common term relating to the
classification of fits? 99. How do you call the ratio of the volumetric stress to volumetric
strain?
A. Tunking
B. Snug A. Modulus in shear
C. Medium force fit B. Stress to strain ratio
D. Bound C. Volumetric ratio
D. Bulk modulus
95. In usual spur gearing, which of the following statement(s) is correct?
100. Hearing bone gears which:
A. Pitch circle and base circle are the same
B. Working depth includes the clearance A. Do not operate parallel shafts
C. Tooth outline are usually involutes curves B. Have a line contact between the teeth
D. Tooth outline are usually cycloidal curves C. Tend to produce and thrust on the shafts
D. Consist of two left handed helical gears
96. In general, the design stress and factor of safety are related as
follows:

A. Design Stress= ultimate stress times factor of safety

B. Design Stress= ultimate stress divided by factor of safety
C. Factor of Safety= design stress divided by ultimate stress
D. Ultimate Stress= factor of safety divided by design stress

97. In usual spur gearing, the:

A. Pitch circle and base circle are the same

B. Working depth includes the clearance
C. Tooth outline are usually cyclonical curves
D. Tooth outline are usually involutes curves
 MODULE 5
7. Which of the following is not used to temper steel?
1.The ability of metals to stand loads without breaking down:
A. oil bath
A. strain B. brine/salt bath
B. stress C. steam bath
C. elasticity D. water bath
D. strength
8. Which of the following is not a kind of cast iron?
2. Which of the following is not a classification of iron ore?
A. gray iron
A. Siderite B. white iron
B. Hermatite C. malleable iron
C. Sulfurite D. lead iron
D. Magnetite
9. A machinery operation whereby the tool rotates while the feed is
3. Ferrous metals contain a relatively large amount of: stationary.

A. manganese A. shaping
B. carbon B. milling
C. sulfur C. turning
D. phosphorous D. reaming

4. Which of the following metal is easy to chisel? 10. What process does not belong to the group?

A. alloy steel A. brazing

B. manganese steel B. soldering
C. stainless steel C. hardening
D. cast iron D. resistance welding
5. The ability of material of metal to resist being a crushed is: 11. Which tool does not belong to the group?

A. fatigue strength A. vice grip

B. bending strength B. feeler gage
C. torsional Strength C. torque wrench
D. Compressive strength D. Adjustable wrench

12. Which of the following metals is non-magnetic?

6. Which of the following is not part of the headstock?
A. manganese steel
A. anvil B. cast steel
B. spindle C. alloy steel
C. motor D. cast iron
D. back pressure
13. One important skill that operators of machine tools must have is an 18. A machine used in testing steel generally strikes the specimen with an
understanding of measurement which demands: energy from 220 to 265 ft-lb.

A. speed A. izod test

B. precision B. Charpy test
C. sociability C. Rockwell test
D. neatness D. Test blocks

14. Which of the following is not part of a lathe machine? 19. An iron in which most of the carbon is chemically combined with the iron:

A. fan A. cast iron

B. carriage B. gray iron
C. headstock C. white iron
D. tailstock D. malleable iron

15. The machine which can flatten surface on a horizontal, vertical or angular 20. Through how many degrees must an involute cam turn in order to raise
plane is: its follower 3 inches if the diameter of the base circle is 5 inches?

A. drilling machine A. 58.7 degrees

B. shaper machine B. 180 degrees
C. power saw C. 64.4 degrees
D. lathe machine D. 68.79 degrees

16. Which of the following is not the work of a machinist? 21. The space between the adjacent teeth:

A. reboring A. tooth
B. overhauling B. flank
C. grinding C. backlash
D. boring D. width

17. The area of the machine shop whose metal is being melted to form a new 22. An iron has physical properties closely resembling those of mild steel:
shape is the:
A. malleable cast iron
A. foundry area B. malleable iron
B. tool and die C. white iron
C. welding area D. gray iron
D. mass production area
23. Gears use to transmit power between shafts axis of which it intersect:

A. spur gears
B. bevel gears
C. helical gears
D. straight bevel gears
24. An important accessories of milling machines:
30. The path traced by a point moving at a fixed distance front an axis and
A. milling machine vise with a uniform motion to the axis and a point moving such a path:
B. Cutters
C. ram A. helical motion
D. Vertical milling attachment B. spherical motion
C. translational
25. They are usually the steel or steel casting: D. path of a point

A. mild steel 31. The maximum stress which is reached during a tension test:
B. carbon steel
C. fire box steel A. stress
D. Drop forge dies B. elasticity
C. strain
26. The cheapest and the most abundant engineering material. D. tensile strength

A. aluminum 32. The frustums of two cones are use in a manner to permit a variation of
B. steel velocity ratio between two parallel shafts:
C. cast iron
D. babbitts A. evans friction cones
B. bevel cones
27. Milling machine accessories are used to hold milling cutter in the milling C. spherical cones
machine: D. friction gearing

A. spindle nose tooling 33. Weld metal impact specimen shall be taken across the weld with one
B. Milling machine cise face substantially parallel to and within:
C. Vertical milling attachment
D. milling machine arbors A.3/4”
B.1/32”
28. The size of an equal-leg length fillet weid shall be based on the length of C.1/4”
the largest: D.1/16”

A. isosceles right triangle 34. A joint between two overlapping members in which the overlapped edge
B. squeare of one member is welded with a fillet weld:
C. right triangle
D. rectangle A. a single welded lap joint
B. double welded lap joint
29. If gears cannot connect parallel shafts, they are called: C. a single welded lap joint with backing
D. tack weld
A. cycloidal gears
B. helical gears
C. spur gears
D. toothed gears
35. Imparts of reciprocating motion to a single point cutting tool: 40. An alloy in tin, copper, antimony, or sometimes lead:

A. dividing head A. gold

B. slotting attachment B. Babbitt
C. circular pitch C. aluminum
D. circular milling attachment D. cast iron

36. The follower reciprocates or oscillates in a plane perpendicular to the axis 41. A weld place in a groove between two abutting members:
of rotation of the cam.
A. full fillet weld
A. radial cam B. tack weld
B. cylindrical cam C. butt weld
C. cam curves D. fillet weld
D. tangential cam
42. A weld of approximately triangular cross section that join two surfaces at
37. Strength of a material is that of a stress intensity determined by approximately right angles as in lap joint, tee-joint, corner joint:
considering the maximum test load to act over the original area of the test
specimens: A. single welded lap joint
B. fillet weld
A. yield point C. tack weld
B. ultimate strength D. butt weld
C. breaking strength
D. elastic strength 43. A corrosion occurs within or adjacent to a crevice formed by contacts with
another piece of the same or another metal:
38. The follower reciprocates or oscillates in a plane parallel to the axis of the
rotation. A. pitting
B. galvanic
A. cam curves C. erosion
B. cylindrical cam D. crevice
C. tangential cam
D. radial cam 44. Wheels are sometimes used for the transmission of high power when an
approximately constant velocity ration in desired:
39. A test for pipe used for coiling in sizes 2 inches:
A. bevel cones
A. flaring B. friction gearing
B. crush C. spur friction wheels
C. flange D. evans friction wheels
D. bend
45. Gearing in which motion or power that is transmitted depends upon the 50. Determine the number of teeth in a driver of two spur gears mesh which
friction between the surfaces in contact. has a velocity ratio of 0.75 the driven gear has 36 teeth:

A. bevel gears A. 50
B. spur friction B.46
C. evans friction cones C. 26
D. friction gearing D. 48

46. A bevel gears of the same size mounted on a shaft at 90 degrees: 51. Within the elastic limit the stress is proportional to strain.

A. crown gears A. Hooke’s law

B. spur gears B. modulus of elasticity
C. angular gears C. offset ratio
D. miter gears D. Buckingham’s principle

47. A fillet weld whose size in equal to the thickness of the thinner joint 52. The corrosion of iron or iron-base-alloys:
member:
A. rusting
A. butt joint B. crazing
B. butt weld C. chalking
C. tack weld D. fritting
D. full fillet weld
53. Steel containing large amounts of mild nickel and chromium:
48. The ration of stress to the corresponding strain below the proportional
limit: A. carbon steel
B. stainless steel
A. stress strain diagram C.alloy steel
B. gage method D. cat steel
C. modulus of elasticity
D. tensile strength 54. It refers to any layer or deposit of extraneous material on the heat-
transfer-surface:
49. The searing strain of a block of metal 3 inches high is subject to a
shearing high force which distorts the top surface through a distance of A. low line
0.0036”. B. pressure drop
C. fouling
A.0.0015 rad D scaling
B.0.008 rad
C.0.0010 rad
D.0.0012 rad
55. The total amount of permanent extension of the gage length measured 60. A cone formed by elements which are perpendicular to the elements of
after the specimen has fractured and is expressed as percentage increase of the pitch cone at the large end:
the original gage length:
A. cone distance
A. elongation B. back cone
B. strain C. root cone
C. stress D. cone center
D. elastic limit
61. A machine used for the testing of very thin steel or surface layers:
56. It is used to enable milling machine to take climb milling cuts:
A. charpy test
A. helical driving mechanism B. Izod test
B. Spindle C. description test
C. read out D. rockwell test
D. backlash eliminator
62. A gear is on in which angle is 90 degrees that is the pitch no has become
57. A weld made to hold the parts of a weldment in proper alignment until the a plane.
final welds are made:
A. crown gear
A butt weld B. angular gear
B. tack weld C. miter gear
C. fillet weld D. spiral gear
D. full fillet weld
63. The deterioration of organic coating characterized as completely:
58. The change in length per unit original length is:
A. chalking
A. strain B. rusting
B. stress C. chocking
C. deformation D. fritting
D. elastic modulus
64.Is a form of correction that develop on a highly localized areas on a metal
59. The temperature above which the alloy is liquid and will run: surfaces:

A. melting point A. crevice

B. fow point B. erosion
C. pour point C. galvanic
D. liquids D. spitting
65. Test is designed primarily for application to electric welded tubing for 70. An oil storage tank roof formed to approximately a spherical surface,
detection of lack of penetration or overlaps resulting from flash removal in the supported only at its periphery:
weld.
A. self-supporting umbrella roof
A. butt weld B. self-supporting cone roof
B. paster C. self-supporting
C. lap weld D. supported cone roof
D. double butt weld
71. The unit of deformation is called:
66. Have the same thermal and minimum film thickness limitation as sleeve
bearing. A. torsion
B. strain
A. ball bearing C. stress
B. roller bearing D. shear
C. thrust bearing
D. oil bearing 72. A circle bounding the bottom of the teeth:

67. An oil storage roof formed to approximately the surface of a right cone A. addendum circle
supported only at its periphery: B. addendum cylinder
C. pitch circle
D. dedendum circle
B. self-supporting dome roof
C. supported cone roof 73. A 3 “ diameter short shaft carrying 2 pulleys close to the bearings
D. self-supporting cone roof transmit how much horsepower if the shafts makes 280 rpm.

68. Test sometimes referred to as an upsetting test: A. 199 Hp

B. 198 HP
A. bend C. 200 Hp
B. Flaring D. 210 Hp
C. flange 74.A cylindrical tank with 10 in. inside diameter contains oxygen gas at 2500
D. crush psi, calculate the required wall thickness in (mm) under stress of 28,00 psi.

69.What load P which cause a total deformation of 0.036 “ of a steel rock A. 11.44 mm
which has a cross section area of 4 in and a length of 6 ft. B. 11.34 mm
C.10.6 mm
A. 55, 000 lb. D.10.3 mm
B. 40,000 lb.
C. 60, 000 lb.
D. 50, 000 lb.
75.The minimum clearance allowed for meshing spur gears with a circular 80. Determine the estimated weight of an A-36 steel plates size 3/16 x6’x20’.
pitch of 0.1571 and diametral pitch of 20 the spur gear have 25 teeth.
A. 919 lbs.
A. 0.007855 B. 1012 lbs.
B.0.007558 C. 829 lbs.
C.0.008578 D. 735 lbs.
D.0.007585
81. The length of arc between the two sides of a gear tooth on the pitch
76. SAE steel that responds to heat treatment: circle:

A. SAE 1060 A. circular thickness

B. SAE 1117 B. axial plane
C. SAE 1030 C. helix angle
D. SAE 1020 D. chordal curves

77. Which of the following is the differential of the shear equation? 82. Split pully or pulley made of separate section bolted together at the rim;
the maximum speed should be limited to about _____% of the maximum
A. bending moment speed of solid pulley.
B. Load of the beam
C. tensile strength of the beam A. 65 to 75%
D. slope of the beam B. 45 to 50%
C.55 to 60%
78. Which of the following materials to be utilized to reduce cost the D.80 to 90%
manufacturing of large worm gears?
83. Killed steel is very much associated with:
A. alloyed aluminum
B. bronze rim with cast iron spider A. manganese
C. cast iron rim with bronze spider B. Sulphur
D. all of these C. phosphorous
D. silicon
79. It is hardening treatment whereby a cast metal is being heated to a very
high temperature then suddenly subjected to rapid cooling to improve 84. Determine the estimated weight of an A-36 steel plate of size 1/2x4x8.
hardenability or wear resistance is called:
A. 289 kg
A. normalizing B.332 kg
B. tempering C. 301 kg
C. annealing D. 297 kg
D. quenching
85. A type of welding whereby a wire or powder from the nozzle of a spray 90. Alloy steel known for its resistance to corrosion abrasing and wear that is
gun is fused by a gas flame, arc or plasma jet and the molten particles are usually ideal for mill grinding of ore in cement and concentrator application it
projected in a form of a spray by means of compressed air or gas. is usually combined with molybdenum to increase the depth hardening.

A. electro slug building A. manganese chromium steel

B. electro beam welding B. chromium-moly steel
C. plasma arc welding C. chorome-nickel-moly-steel
D. metal spray welding D. manganese-moly steel

86. Heating of metal above the critical temperature and then cooling slowly 91. Split pully or pulley made of separate section bolted together at the rim
usually in the furnace to reduce the hardness and improve the machinability the maximum speed should be limited to about ___% of the maximum speed
is called: of solid pulley.

A. normalizing A.65 to 75%

B. annealing B.45 to 50 %
C. tempering C. 55 to 60%
D. quenching D. 80 to90%

87. Accident prevention is: 92. Major component of bronze casting is:

A. an association of employers, organization & individuals A. copper

B. the foreman’s responsibility just as much as production B. manganese
C. the responsibility of top management C. zinc
D. a job of a safety director D. lead

88. Major component of bronze casting: 93. Galvanized steel plate is:

A. copper A. aluminum
B. manganese B. tin
C. zinc C. zinc
D. lead D. manganese

89. Commonly utilized/cheapest shaft material available in the market with 94. What heat treatment process can cast steel materials of high chrome
carbon content of 0.28 to 0.34%. high manganese, etc. type steel be subjected for the purpose of machining
process ?
A. SAE 4132
B. SAE 4320 A. annealing
C. SAE 1030 B. tempering
D. SAE 4130 C. normalizing
D. quenching
95. Cast alloy steel for very high temperature application:

A. manganese-nickel steel casting

B. high chrome steel casting
C. chrome nickel steel casting
D. high manganese casting

96. Flexible material used to seal pressurized fluids, normally under dynamic
condition:

A. nylon
B. seal
C. teflon
D. packing

97. A type of gear tooth cut inside a cylinder or ring:

A. rack gear
B. ring gear
C. miter gear
D. internal gear

98. It has molybdenum ally except:

A. SAE 43xx
B. SAE 41xx
C. SAE 6xxx
D. SAE 5xxx

99. To prevent leakage in dynamic seal:

A. gasket
B. seals
C. felts
D. packings

100. Which of the following elements when large quantity is harmful to the
ferrous metal?

A. sulfur
B. silicon
C. zinc
D. aluminum