Metals

Question 1

Mild metal

Answer 1

used for bike frames and fixings. it is a ferrous metal that is smooth and grey but likely to rust

Question 2

Working properties of mild steel and composition

Answer 2

ductile and tough
easy to from, braze and weld
versatile, magnetic, high density
iron plus 0.1-0.3% carbon

Question 3

Stainless steel

Answer 3

it is ferrous alloy metal used for kitchen wave. tough, resistant to wear and corrosive resistant.

Question 4

working properties of stainless steel and the composition

Answer 4

ductile, polishes well, magnetic, low density.
consists of nickel, manganese, chromium and carbon steel

Question 5

cast iron

Answer 5

used for metal and wood vices.

Question 6

working properties and composition of cast iron

Answer 6

corrosive, ferrous, tough, brittle, magnetic, high density. has iron and 206% of carbon

Question 7

Define ferrous metals

Answer 7

are those that contain iron and are magnetic

Question 8

define non-ferrous metals

Answer 8

are those that are not magnetic and lack iron

Question 9

aluminium

Answer 9

used for some parts of transport and kitchen utensils

Question 10

properties of aluminium

Answer 10

low density, malleable, ductile, non-corrosive, good strength, good conductor of heath and electricity.

Question 11

copper

Answer 11

a pure metal rose- coloured that polishes well.

Question 12

Properties of copper

Answer 12

malleable. ductile. corrosive. high density.

Question 13

Brass

Answer 13

alloy yellowish metal mixed with copper and zinc

Question 14

Properties of brass

Answer 14

malleable. non ferrous