Non-Ferrous Metals

Question 1

What are non-ferrous metals?

Answer 1

Metals without iron

E.g. Aluminium, copper, zinc

Question 2

What is the melting point of aluminium?

Answer 2

650°C

Question 3

What is the melting point of copper?

Answer 3

1100°C

Question 4

What is the melting point of zinc?

Answer 4

420°C

Question 5

Give the properties of aluminium

Answer 5

Lightweight
Corrosion resistant
Good conductor

Question 6

Give the properties of copper

Answer 6

Good conductor of heat
Good conductor of electricity
Corrosion resistant

Question 7

Give the properties of zinc

Answer 7

Corrosion resistant

Question 8

What are the disadvantages of aluminium?

Answer 8

Can crack under stress
Requires annealing when worked
Does not withstand great loads

Question 9

What are the disadvantages of copper?

Answer 9

Requires annealing when worked

Danger of electrolysis if joined to iron pipes

Question 10

What are the disadvantages of zinc?

Answer 10

Becomes brittle when worked

Question 11

Give 3 uses of aluminium

Answer 11

Aircraft industry
Engine components
Castings

Question 12

Give 3 uses of copper

Answer 12

Electrical cables
Central heating
Printed circuits

Question 13

Give 3 uses of zinc

Answer 13

Castings
Batteries
Galvanising