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Engineering Stage 6 - PPT Materials

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

In which of the following do all of the processes require plastic deformation to achieve a final shape?

a)

Brazing, casting, rolling

b)

Brazing, soldering, welding

c)

Extruding, casting, forging

d)

Extruding, pressing, rolling

2.

Which of the following manufacturing methods can be used to produce complex polymer components?

a)

Sand casting

b)

Blow moulding

c)

Lost wax casting

d)

Injection moulding

3.

Why is cast iron preferred to steel when used as a heavy machine base?

a)

It is less brittle.

b)

It is more malleable.

c)

It has a lower damping capacity.

d)

It has a higher damping capacity.

4.

Which row of the table correctly identifies the project responsibilities of a civil engineer when planning a new highway?

a)

Row 2

b)

Row 3

c)

Row 4

d)

Row 1

5.

What property of a material can be measured by testing its resistance to scratching?

a)

Hardness

b)

Stiffness

c)

Strength

d)

Toughness

6.

Which manufacturing process is used to make soft drink bottles out of polyethylene terephthalate (PET)?

a)

A. Stamping

b)

B. Extrusion

c)

C. Blow moulding

d)

D. Rotational moulding

7.

A piece of 0.8% C steel is heated to above its recrystallisation temperature and then normalised. In what medium is this piece of steel cooled?

a)

Air

b)

Brine

c)

Sand

d)

Water

8.

Which of the following is a recognised impact test?

a)

Brinell

b)

Erichsen

c)

Notch

d)

Punch

9.

Which property is necessary in the manufacture of a sheet steel car door panel?

a)

Fatigue

b)

Ductility

c)

Elasticity

d)

Corrosion resistance

10.

When producing glass, what molten material is the glass floated on in order to obtain a smooth surface?

a)

Aluminium

b)

Bronze

c)

Steel

d)

Tin

11.

The image shows the microstructure of brass. What type of grain structure does this image represent?

a)

Deformed

b)

Dendritic

c)

Equiaxed

d)

Stressed

12.

What is the primary reason for using aluminum in the construction of aircraft bodies?

a)

High density

b)

High thermal conductivity

c)

Corrosion resistance

d)

Lightweight

13.

Which of the following processes is used to harden the surface of steel while keeping the core soft?

a)

Annealing

b)

Quenching

c)

Case hardening

d)

Tempering

14.

What is the main advantage of using composite materials in automotive manufacturing?

a)

Increased weight

b)

Lower cost

c)

Improved fuel efficiency

d)

Higher thermal expansion