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Complete The Table Below

design and technology

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0% found this document useful (0 votes)
110 views54 pages

Complete The Table Below

design and technology

Uploaded by

tashaking148
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1.

COMPLETE THE TABLE BELOW

ADHESIVE USED ON PROPERTIES CLEANED


WITH
Tensol cement Resistant to oil
and water
Laminated plastic Not very strong Petrol
to wood but good for large
and flexible
materials
PVA(Polyvinyl Poor water water
Acetate) resistance
Nearly all Waterproof White spirits
materials brittle

2. In the space below draw a fret saw, tenon saw and coping saw

3. Name tools shown below


4. The picture below shows a plane and all its parts. State the function of each part
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
5. State uses of a jack plane and smoothing plane
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
6. Draw a bevel edge chisel and label its parts

7. Why does a sash mortise chisel have a stronger neck?


-
__________________________________________________________________
__________________________________________________________________
8. What is a mallet used for?
__________________________________________________________________
__________________________________________________________________
9. What is the purpose of a claw of a claw hammer?
_______________________________________________________________
10. Draw and label parts of a bow saw
11. Which line is used to show outlines of an object as well as all parts visible from
the outside
___________________________________________________________
12.Where is the construction line used
___________________________________________________________
13.A line used to show hidden parts of an object not visible from outside as well as
to show where a fold or bend must occur is called
_____________________________________________________________
14.Draw an acute angle, right angle and reflex angle in the space below

15. Draw a 10cm line and bisect it in the space below


16. Draw an angle of 60° and bisect it

17.Describe the following


Isometric drawing
_________________________________________________________
Oblique drawing
___________________________________________________________
Perspective drawing
____________________________________________________________

18.The picture below shows a saw. Name the saw and state why it has a stiff back
19.What type of hammer is shown below?

_________________________________________________________________
20. State the name of the saw shown below

_______________________________________________________________
21.What type of drill bit is shown below?
22.Which drill bit is used for boring deep holes on wood
_________________________________________________________________
23.State two types of wood-boring bits
__________________________________________________________________
__________________________________________________________________
24.Give two examples each for man-made and natural structures
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
25.What is a structure
__________________________________________________________________
__________________________________________________________________
26. Give two examples each for a shell structure and frame structure
__________________________________________________________________
__________________________________________________________________
27. State three reasons for structural failure
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
28.Describe one method of making a structure rigid
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
29.Which important facts should a designer consider when making a structure so
that it becomes stable
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
30. State the difference between static and dynamic forces
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
31.A member of structure under tension is known as
__________________________________________________________
32.A member of structure under compression is known as
___________________________________________________________
33. Describe the shear type of force
__________________________________________________________________
__________________________________________________________________
34.What is a mechanism
__________________________________________________________________
__________________________________________________________________
35.State three things that mechanisms can do
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
36.Describe the following types of movements and give examples of those
movements
Linear movement
_______________________________________________________________
Rotary movement
______________________________________________________________
Oscillating movement
_________________________________________________________________
Reciprocating motion
_________________________________________________________________
37.Which movement is made by a moving bicycle?
________________________________________________________
38. A load of 5000N is moved at an effort of 200N. Calculate the mechanical
advantage

39.Crank mechanism of a bicycle converts rotary movement to


_________________
40. Illustrate a pulley system in the space below. Label the load, effort and the
fixed point

41.Give an example of chain and sprocket system


_____________________________________________________________
42.Draw a graphic representation of bevel gears. Note that they transmit motion at
90°
43.State one common tool which uses the bevel gear mechanism
__________________________________________________________________
44. Label the mechanisms shown below

Mechanism A Mechanism B

Draw a graphical representation of Mechanism B

45.Draw a graphic representation of a chain and sprocket mechanism


46.Draw and appropriately label a cam and follower mechanism

47.Name and label the mechanism shown below

_________________________________________________________
48.What is electric current?
__________________________________________________________________
49.The pressure that causes the electricity to flow is called ___________________
50.What is resistance
_________________________________________________________________
51. Draw a graphic representation of a cell and a battery

52.Why should conductors be insulated?


__________________________________________________________________
__________________________________________________________________
53.Draw the graphic representation of the following
Toggle switch

Push button switch


Bulb loudspeaker

Buzzer conductor

54.Draw a circuit diagram with the following components: Two bulbs, one toggle
switch, conductors, 6V cell

55. What is a capacitor?


_______________________________________________________________
56.What is capacitance?
________________________________________________________________
57.Name and draw graphic representation of the two types of capacitors
58. Draw a graphic representation of a LED

59. Draw a circuit diagram made up of the following components: 6V cell, 7V


resistor, and a LED

60.Draw a symbol for NPN transistor

61.What is the function of a transistor?


__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
62. State three important factors to consider when handling electrical equipment
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
63.The three pin plug of a school drilling machine has blown off and you have
been asked to replace it. Outline the steps you would follow
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
64. Draw and label a mortice gauge in the space below

65. Label the mitre square shown below


66.Name the tools shown below

67. Label the double faced sledge hammer below


68. Label the Woodworker’s mallet shown below

69.Name the tool below and label its parts


70. Name and label the tool shown below and state its use

machine vice
Name ______________________________
used to hold small pieces when drilling
Use _______________________________________________________________
71.Label a mole wrench shown below

What is a mole wrench used for?


__________________________________________________________________
72. What is the name of the tool below

hand vice
73.The picture below show a certain type of saw. State its name and use

Use___________________________________________________________
74.Name the rivets shown below

75.What is the name of the hinge shown below


tee hinge
__________________________________________________________________
76. Which type of plastic is represented by the cycle shown below

thermoplastic
______________________________________________________________
77. What is paring
__________________________________________________________________
__________________________________________________________________
78. What is the purpose of sole in a plane?
__________________________________________________________________
__________________________________________________________________
79.Draw a general purpose saw in the space below
80.What is an anvil used for?
__________________________________________________________________
81. In the space below illustrate plain sawing and quarter sawing

82.State two advantages and two disadvantages for both plain sawing and quarter
sawing

through and through sawing


Plain sawing
disadvantages
__________________________________________________________________
advantage
it __________________________________________________________________
is simple boards warp badly
__________________________________________________________________
boards do not have attractive figure
__________________________________________________________________
it is quick
__________________________________________________________________
Quarter sawing
advantages disadvantages
__________________________________________________________________
produce strong boards produces more waste
__________________________________________________________________
__________________________________________________________________
boards have attractive figure
__________________________________________________________________
slowest method of conversion
__________________________________________________________________
83. What is seasoning
the removal of excess moisture from timber
__________________________________________________________________
__________________________________________________________________
84.Give two reasons for seasoning
to reduce weight of boards
__________________________________________________________________
to produce strong boards
__________________________________________________________________
__________________________________________________________________
85.Outline advantages and disadvantages of air seasoning
disadv
adv
__________________________________________________________________
__________________________________________________________________
require less skil insects attack them and fungi
__________________________________________________________________
it is cheap it takes too long for boards to dry
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
86. Explain the following properties of plastic
Tensile strength
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Compressive strength
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Torsional strength
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Hardness
a material that can not be stretched and scratched easily
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Stiffness
__________________________________________________________________
__________________________________________________________________
87. State three properties of Expanded Polystyrene
light in weight
__________________________________________________________________
absorb shock
__________________________________________________________________
heat insulator
__________________________________________________________________
88.Calculate the resistance offered by 10 resistors of the resistance 10 Ohms each
connected in parallel

89.Calculate the resistance offered by 12 resistors of 5 Ω each connected in series

90. State Ohm’s law

______________________________________________
91. A 9V battery is connected and only 0.25A is wanted to flow in a circuit,
calculate the resistance to be added to the circuit
DESIGN &
TECHNOLOGY

REVISION KIT
1. Give three workshop rules and regulations
__________________________________________________________________
do not operate any machine without teachers permission
__________________________________________________________________
do not run in the workshop
use tool for what they are designed for... correct use of tools
________________________________________________________________(3)
2. State three safety precautions in the workshop
wear goggles when drilling .... to protect your eyes from small produced when drilling
__________________________________________________________________
wear ear muffs when using a noisy machine.. to protect your against more noise being produced
__________________________________________________________________
wear apron .... to protect your clothes from dust
__________________________________________________________________
__________________________________________________________________
work in a ventilleted room ... so that air can circulate well
________________________________________________________________(3)
3. What is first aid?
__________________________________________________________________
first aid is an emergency help given to someone who is injured before the
________________________________________________________________
arrival of doctors (2)
4. State steps followed in applying first aid to someone who has been burnt in the
workshop
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
________________________________________________________________(5)
5. Suggest three things that a person giving first aid should do whenever accident
occurs in the workshop
__________________________________________________________________
wash hand thoroughly
put on surgical gloves
__________________________________________________________________
__________________________________________________________________
loosen everything that is tied on the victim
__________________________________________________________________
__________________________________________________________________
6. List the contents of the first aid kit together with their uses
__________________________________________________________________
twizzer..... for removal of small pieces left on the wound
__________________________________________________________________
bandage..... for covering the injured part after cleaning it
pair of scissors ... for cutting bandage and plasters
__________________________________________________________________
gloves ....to prevent first aid giver from getting into contact with fluid of an injured person
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
7. Outline steps you would follow in helping someone who has cut himself with a
chisel and is bleeding

__________________________________________________________________
wash hands
__________________________________________________________________
put on surgical gloves
__________________________________________________________________
wash wound with cold running water
dry the wound using grauze swab and cover itwith sterile dressing
__________________________________________________________________
remove gloves and wash hands together with any part that had a contact with blood
__________________________________________________________________
8. Discuss how to treat bruises with first aid
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
9. Thabo has been electrocuted by the bare wires of a drilling machine and is
unconscious. State how you would help him
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
10.Describe how to best apply ‘The kiss of life’
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
11.List three examples of solid timber
mukwa
__________________________________________________________________
meranti
__________________________________________________________________
s a pine
__________________________________________________________________
12.List three examples of manufactured boards
chip board
__________________________________________________________________
ply board
__________________________________________________________________
medium density fibre board
__________________________________________________________________
13. Which board is made from wood fibres collected from pulped wood waste
medium density fibre board
_______________________________________________________________
14.Which board is made by gluing together a number of thin veneers of softwood
or hardwood
ply board
________________________________________________________________
15.Which board is made by gluing wood fibres together under high heat and
pressure to form solid board
medium density fibre board
_________________________________________________________________
16. What does MDF stand for?
medium density fibre
__________________________________________________________________
17.Discuss the following timber under the given subheadings
South African Pine
pale yellow cream to reddish brown
Colour ___________________________________________
Properties
light in weight
__________________________________________________________________
it is fairly hard
__________________________________________________________________
__________________________________________________________________
easy to work with
__________________________________________________________________
Uses
doors
__________________________________________________________________
window frames
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________

Mukwa
dark brown
Colour ___________________________________________
Properties
heavy in weight
__________________________________________________________________
finishes well
__________________________________________________________________
__________________________________________________________________
fairly easier to cut
__________________________________________________________________
Uses
doors
__________________________________________________________________
table tops
__________________________________________________________________
__________________________________________________________________
chairs
__________________________________________________________________
Meranti
Colourwhite yellow
___________________________________________
Properties
fairly strong
__________________________________________________________________
__________________________________________________________________
fairly hard to work on
__________________________________________________________________
__________________________________________________________________
coarse texture
Uses
door frame
__________________________________________________________________
floor skirting
__________________________________________________________________
__________________________________________________________________
ceiling
__________________________________________________________________
Jelutong
Colour ___________________________________________
Properties
very light in weight
__________________________________________________________________
it is strong
__________________________________________________________________
very easier to cut
__________________________________________________________________
__________________________________________________________________
Uses
sculptures
__________________________________________________________________
__________________________________________________________________
door knobs
__________________________________________________________________
__________________________________________________________________
MDF
Colour ___________________________________________
Properties
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Uses
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Plywood
Colour ___________________________________________
Properties
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Uses
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Hardboard
Colour ___________________________________________
Properties
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Uses
for making back of cabinet
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
18. The ability of wood to float on water is determined by its
weight
_______________________________________________________
19. Discuss the following properties of wood
Strength
__________________________________________________________________
__________________________________________________________________
Stability
a material that can withstand bend when load applied on it
__________________________________________________________________
__________________________________________________________________
Workability
how suitable and functionable material is for intended purpose
__________________________________________________________________
__________________________________________________________________
20. State three reasons why it is important to store timber properly
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
21. Why should timber be kept away from rain and moisture?
__________________________________________________________________
__________________________________________________________________
22. What is the difference between timber and manufactured board
__________________________________________________________________
timber are natural boards whereas manufactured boards are made by man
__________________________________________________________________
23. What is the difference between hardwood and softwood
hard woods grow slowly while soft wood grow faster
__________________________________________________________________
__________________________________________________________________
24. List two ways to store timber properly
__________________________________________________________________
__________________________________________________________________
25. Neo decides to make a set pf chairs to use outside her house. Explain which
wood she should use
sa pine because it is light in weight ,,fairly strong
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
26.Describe two uses of a steel rule
used for measuring ,,it measure different lengths in mm and cm
__________________________________________________________________
making straight lines,, assist in making accurate lines
__________________________________________________________________
27.What is the purpose of a try square
to check squareness of a work piece
__________________________________________________________________
used to check flatness of a work piece
__________________________________________________________________
28.Which tool is used to mark curves
compass
__________________________________________________________________
__________________________________________________________________
29.Which tool is used to mark wood across the grain
__________________________________________________________
30.What is the use of a bradawl
used to mark small holes in wood for screwing
___________________________________________________________
31. State use of marking gauge
mark parallel lines to the edges of a work pieces along the grains
____________________________________________________________
32.Which tool is used to smoothen wood surface
_____________________________________________________________
33. Outline steps taken to prepare timber for marking out
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
34. State uses of the following cutting tools
Coping saw
__________________________________________________________________
__________________________________________________________________
Fret saw
__________________________________________________________________
__________________________________________________________________
Bow saw
__________________________________________________________________
__________________________________________________________________
Round surform
__________________________________________________________________
__________________________________________________________________
Flat surform
__________________________________________________________________
__________________________________________________________________
Rasp
__________________________________________________________________
__________________________________________________________________
35. Which three things should you consider when deciding to make a joint for a
particular project
__________________________________________________________________
type of wood to use
__________________________________________________________________
type of joint to be used
__________________________________________________________________
__________________________________________________________________
36.With the aid of a diagram describe how you would prepare the following joints

Butt joint
End lap joint

Housing joint
Corner halving joint
Tee halving joint

Dowel joint
37.What is the purpose of adhesives
__________________________________________________________________
__________________________________________________________________
38. Which factors should be considered when choosing which adhesive to use on
wood
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
39. Discuss Polyvinyl Acetate(PVA) under the following
Characteristics
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Advantages
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Disadvantages
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
40. List three safety precautions to follow when applying adhesives
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
41. State two types of abrasives commonly used on wood
__________________________________________________________________
__________________________________________________________________
42. What is sanding
__________________________________________________________________
__________________________________________________________________
43. What is the purpose of wood finishes?
__________________________________________________________________
__________________________________________________________________
44. Outline steps followed to apply a varnish
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
45. Which finish is the best for interior use?
___________________________________________________________
46.Name two main fixings used in woodwork
__________________________________________________________________
__________________________________________________________________
47.State three common types of wood screws
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
48. Draw and label the following screws
Countersunk head

Round head

Raised head
49.State common uses for countersunk head screw
__________________________________________________________________
__________________________________________________________________
50.Which screw is best used for decorative fittings and ornaments?
_____________________________________________________________
51.State steps to follow when screwing
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
52. State the three common types of nails and their uses
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
53.Draw a diagram showing dovetail nailing
54.State the three types of hinges and their uses
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
55.State the uses of a magnetic catch
__________________________________________________________________
__________________________________________________________________
56.State the uses of hasp and staple
__________________________________________________________________
__________________________________________________________________
57.What is the purpose of handle and knobs?
__________________________________________________________________
__________________________________________________________________
58. Why is there a need to apply finishes to wood?
__________________________________________________________________
__________________________________________________________________
59. State the difference between ferrous and non-ferrous metals
__________________________________________________________________
__________________________________________________________________
60.What is an alloy
__________________________________________________________________
__________________________________________________________________
61.Give two examples of alloys
__________________________________________________________________
__________________________________________________________________
62. State four characteristics of metals
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
63. What is malleability?
__________________________________________________________________
__________________________________________________________________
64. What is it meant by metals being ductile?
__________________________________________________________________
__________________________________________________________________
65.Ability of metals to produce loud sounds is known as
____________________________________________________________
66. What is mild steel composed of
___________________________________________________________
67.State the general uses of mild steel and copper
Mild steel
__________________________________________________________________
__________________________________________________________________
Copper
__________________________________________________________________
__________________________________________________________________
68. Describe the best way to store metals
__________________________________________________________________
__________________________________________________________________
69.State uses of the following measuring and marking out tools
Odd leg caliper ______________________________________________
Scriber _____________________________________________________
Steel rule _____________________________________________________
Engineer’ square_____________________________________________________
Centre punch _____________________________________________________
Dot punch _______________________________________________________
70. Which saws should be used to make straight cuts on metals?
__________________________________________________________________
__________________________________________________________________
71.Which saws should be used to make curved cuts on metals?
__________________________________________________________________
__________________________________________________________________
72. Sheet metals are cut with tinsnips or __________________________________
73. State the two types of tinsnips
__________________________________________________________________
__________________________________________________________________
74.Draw two diagrams below to show cross filing and draw filing

75.Outline steps followed to prepare metal for cutting


__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
76.Why is it important to centre punch a metal sheet before drilling it?
__________________________________________________________________
__________________________________________________________________
77.How is a pilot hole made?
__________________________________________________________________
__________________________________________________________________
78. Which holding devices can be used to hold metal for drilling
__________________________________________________________________
__________________________________________________________________
79.What determines the size of hole made by the drilling machine?
___________________________________________________________
80.To obtain a completely smooth finish on a metal either use emery cloth or
______________________________________
81.Match the following metal finishes with their uses
Finish Use
Metal polish Protects the surface against rust while
maintaining the natural finish of the
material
Oil Gives a protective finish to the metal
and prevents the metal from rusting
Lacquer Gives the metal high quality finish and
lustre
Paint Protects the metal and can decorate it
in a variety of colours
82. Outline steps followed in making a pop rivet joint
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
83.Which metal is used to make pop rivets?
_______________________________________________________________
84. What is soft soldering
__________________________________________________________________
__________________________________________________________________
85.Outline steps followed in making a soft solder joint
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
86. Why is a flux important during soldering?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
87.Name the tool shown below and state what it is used for
______________________________________________________________

88.Name the tool below and state its uses

Use_____________________________________________________________
89.Name the types of filing shown on the next picture
_________________________________________________________________

__________________________________________________________________
90. Name two types of screws for metals
__________________________________________________________________
__________________________________________________________________
91. What is bolting?
_________________________________________________________________
92. You are asked to make a study table for your younger brother. Outline the steps
you would follow with the aid of diagrams and show how you would make it.
93.The school poultry house needs a door made from metal. Assume you are
required to make the door, outline steps you would follow to make the door
until it is complete and mounted to the house. Use diagrams
94. State the two groups of plastics and state their characteristics
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
95.State four properties of plastics
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
96. Fill in the table below
Name Class Properties Common uses
Acrylic *Stiff, hard and
durable
*Resist chemicals
*Scratches easily
*Splinters when
snapped

Thermoplastic *Hard and strong Squeeze bottles,


*scratch resistant toys, packaging,
*Impact resistant film, cable
*Glossy finish insulation
*Good electrical
insulator

Polyester resin *tough and Canoes, chairs,


durable translucent panels
*weather resistant for buildings,
*waterproof encapsulated
*Good insulators casting
*Warps easily
Thermosetting Electrical wall
sockets, three pin
plugs,electric iron
casting,knife
handles.appliances
knobs

97.How should plastics be stored


__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
98.Which tool would you use to make a straight cut on acrylic?
______________________________________________________________
99.Neo has drawn an oval shape on Polyester Resin and wants to cut it out. Which
tool should she use?
_________________________________________________________________
100. Outline steps to deform a plastic using a strip heater
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________

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