Manufacturing Engineering

Question 1

1Brinell and Rockwell tests measure a material's

Easy

A. electrical resistance B. hardness C. density D. colour

Question 2

2Which of these is a composite material?

Easy

A. polythene B. fibreglass (glass-reinforced plastic) C. glass D. pure copper

Question 3

3Ceramics are generally

Easy

A. good electrical conductors B. hard but brittle C. soft and ductile D. magnetic

Question 4

4Which property is most important for an electrical cable's core?

Easy

A. low melting point B. brittleness C. high electrical conductivity D. transparency

Question 5

5Aluminium is used in drink cans because it is

Easy

A. heavy B. light and corrosion-resistant C. magnetic D. brittle

Question 6

6The four main groups of engineering materials are metals, polymers, ceramics and

Easy

A. liquids B. composites C. gases D. minerals only

Question 7

7Thermosetting plastics

Easy

A. are metals B. can be remelted many times C. are natural fibres D. cannot be reshaped once set

Question 8

8Copper is used for electrical wiring because it

Easy

A. is an excellent conductor and ductile B. is brittle C. rusts easily D. is cheap and magnetic

Question 9

9Ceramics such as porcelain are usually

Easy

A. good electrical conductors B. soft and ductile C. magnetic D. hard but brittle

Question 10

10The ability of a metal to be hammered or rolled into thin sheets is

Easy

A. malleability B. elasticity C. brittleness D. conductivity