Unit 2 Materials and Components - Non Ferrous Metals

Question 1

What are non-ferrous metals?

Answer 1

aluminium, copper, zinc

metals without iron

Question 2

What is the melting point of aluminimum

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

What are the properties of aluminium?

Answer 5

light weight
corrosion resistant
good conductor

Question 6

What are the properties of copper?

Answer 6

good conductor of heat
good conductor of electricity
corrosion resistant

Question 7

What are the properties of zinc?

Answer 7

corrosion resistant

Question 8

What are the disadvantages of aluminium?

Answer 8

Can crack under stress
requires constant annealing when worked
does not withstand great loads

Question 9

What are the disadvantages of copper?

Answer 9

danger of electrolysis if joined to iron piped in water systems
when worked requires constant annealing

Question 10

What are the disadvantages of zinc?

Answer 10

when worked will become brittle

Question 11

What are the uses of aluminium?

Answer 11

Aircraft industry
engine components
castings

Question 12

What are the uses of copper?

Answer 12

electrical cables
central heating
printed circuits

Question 13

What are the uses of zinc?

Answer 13

castings
batteries
galvanising