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Grade 10 Quiz 1

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What are existing or modern materials with physical properties that can be varied (changed) by an external input, such as temperature, light, moisture, force or electrical current.

a)

Smart materials

b)

Composite materials

c)

Modern materials

2.

What do not occur naturally, but are existing materials that have been altered to improve their properties.

a)

Smart materials

b)

Composite materials

c)

Modern materials

3.

What consists of a reinforcing (strengthening) materials and a bonding agent (something that sticks it together) called the matrix.

a)

Smart materials

b)

Composite materials

c)

Modern materials

4.

Shape-memory alloys...

a)

Can be plastically deformed, and returned to original shape with heat

b)

Can be plastically deformed, and returned to original shape with a current

c)

Contains pigments that allow small currents to flow through

d)

Generates a small electric charge when compressed

e)

Uses electrochromatic technology to change transparent to opaque

5.

Layers of veneers bonded with glue to produce a flat sheet

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

6.

Made of coarse aggregate, sand, cement and water.

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

7.

A material whose properties change in response to an external change in environment, is known as a...

a)

Modern material

b)

Smart material

c)

Composite material

d)

Interactive textile

8.

Which of these would a material not change in response to?

a)

temperature

b)

light

c)

moisture

d)

image

9.

Which of the following is not a composite material

a)

MDF

b)

Carbon fibre

c)

Arimid fibre

d)

Structural concrete

e)

Glass

10.

A smart material is

a)

a material that has a Phd.

b)

a material that changes its properties during the manufacturing process.

c)

a material that changes a property in response to an environmental trigger.

11.

Which type of fire extinguisher is best suited for putting out paper or plastic fires?

a)

Water

b)

Foam

c)

Wet chemicals

d)

Carbon dioxide

12.

Which of the following should NOT be worn in the workshop during practical tasks?

a)

Safety shoes.

b)

Loose clothes and ties.

c)

Watches and jewelry.

d)

Hearing protection.

13.

_____________ can be caught in belts, pulleys, and other moving parts of the machines.

a)

Loose clothing

b)

Long hair

c)

Jewelry

d)

All the above

14.

Always get the instructor’s permission before ______________________.

a)

Entering the workshop

b)

Using the equipment

c)

All the above

15.
a)

planer

b)

thicknesser

c)

circular saw

d)

sawbench

16.
a)

bandsaw

b)

drillpress

c)

drill

d)

saw

17.
a)

cordless drill

b)

bandsaw

c)

drillpress

d)

workbench

18.

Which of these materials is a good conductor of heat?

a)

Wood

b)

Ceramic

c)

Metal

19.

the feel or appearance of a surface or substance

a)

texture

b)

color

c)

strength

d)

uniformity

20.

Which of the following is not a composite material

a)

MDF

b)

Carbon fibre

c)

Arimid fibre

d)

Structural concrete

e)

Glass

21.

Ash is a

a)

Hardwood

b)

Softwood

c)

Manmade Board

22.

What is the name of this timber based product?

a)

MDF

b)

Chipboard

c)

Plywood

d)

Hardboard

23.

There are several different ways that trees are sawn during the conversion process, they are

a)

1 Tangential cut

2 Through and Through cut

3 Baulk

4 Quater cut

b)

1 Baulk

2 Tangential cut

3 Through and Through cut

4 Quater cut

c)

1 Baulk

2 Through and Through cut

3 Tangential cut

4 Quater cut

24.

Hardwoods come from (a)   trees that shed thier leaves in the winter.

25.

The material shown in the image is (a)  

26.
Why do you think people use plastic for their products ?
a)
Because it's strong
b)
Because its very cheap and it's easy to make
c)
Because it's expensive
d)
Because it's rare and it's good for the enviorment
27.
What term means "does not break down in the environment"
a)
biodegradeable
b)
non-degradeable
c)
corrosive
d)
biodegenerative
28.

How many types of plastics are there?

a)

TWO (2)

b)

THREE (3)

c)

FOUR (4)

d)

I DO NOT KNOW

29.

Thermoplastics are ..............

a)

Plastics that can be reshaped by heating once

b)

Plastics that give out thermal energy

c)

Plastics that that can be reshaped many times

d)

Plastics that cannot be recycled

30.

Some examples of Thermosetting plastics are ................

a)

LDPE, Polyester Resin & Melamine

b)

Melamine, Urea Folmeldehyde & Polyester Resin

c)

Phenol Formeldehyde, Nylon & HDPE

d)

Melamine & Acrylic

31.

Which of the following Plastics are thermoset plastics? (Select 2)

a)

Epoxy Resin

b)

ABS (Acryonitrile, butadiene, styrene)

c)

Polypropylene

d)

melamine formaldehyde

e)

Nylon

32.

Which of the following thermoset plastics is suitable for surface coatings, encapsulation, lamination, and bonding applications?

a)

Epoxy Resin

b)

Melamine formaldehyde

c)

Polyester Resin

d)

Urea Formaldehyde

33.

Which of the following thermoset plastics is suitable for Electrical fittings, paper and textile coatings, wood adhesive?

a)

Epoxy Resin

b)

Melamine formaldehyde

c)

Polyester Resin

d)

Urea Formaldehyde

34.

Which of the following thermoplastics is suitable for Bearings, bristles, clothing & upholstery (textiles), gears?

a)

Polyethylene HDPE

b)

Cellulose Acetate

c)

Nylon

d)

Polypropylene

35.

Which of the following thermoplastics is suitable for Rigid : buckets, bowl, containers?

a)

Polyethylene HDPE

b)

Polyethylene LDPE

c)

Nylon

d)

Polypropylene

36.
A metal tool that has a sharpened, beveled edge, and is used to cut and shape wood, stone, or metal is a _____.
a)
cat's paw
b)
rat-tail file
c)
screwdriver
d)
chisel
37.

Which is use for sawing timber?

a)
b)
c)
d)
38.

What is this hand tool used for?

a)

Hammering

b)

Nailing

c)

Sawing

d)

Cutting

39.

Which hand tool is used for squaring a piece of timber?

a)
b)
c)
d)
40.

What is the name of this hand tool?

a)

Marking gauge

b)

Marking knife

c)

Measuring tape

d)

Tenon saw

41.

Name this joint

a)

Finger

b)

Dado

c)

Lap

d)

Mortise and Tenon

e)

Miter

42.

Name this joint

a)

Lap

b)

Dado

c)

Biscuit

d)

Mortise and Tenon

e)

Dovetail

43.

Name this joint

a)

Lap

b)

Finger

c)

Miter

d)

Mortise and Tenon

e)

Dovetail

44.

What type of wood screw is this?

a)

Countersunk

b)

Counterstrike

c)

Counterbalance

d)

Countersinker

45.

What tool is this?

(a)  

46.

What tool is this?

(a)  

47.

What tool is this?

(a)  

48.

What tool is this?

(a)  

49.

What tool is this?

(a)  

50.

What tool is this?

(a)  

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