Metals

Question 1

What does ferrous mean?

Answer 1

Contains iron and carbon
Magnetic and will rust

Question 2

What non ferrous mean?

Answer 2

Doesn’t contain iron
Doesn’t contain iron and won’t rust

Question 3

What’s an alloy?

Answer 3

Combination of two or more elements/ metals
Subdivided into ferrous and non ferrous

Question 4

Ferrous metals examples:

Answer 4

Low carbon steel / mild
Medium carbon steel / spring
Cast iron / wrought

Question 5

Non-ferrous metal examples:

Answer 5

Aluminium
Cooper
Zinc
Silver
Gold
Tin
Titanium

Question 6

Ferrous alloys examples:

Answer 6

Stainless steel
Die steel
High speed steel

Question 7

Non-ferrous alloys examples:

Answer 7

Bronze
Brass
Duralimin
Pewter

Question 8

What are ferrous metals often called?

Answer 8

Irons or carbon steels

Question 9

Similar ferrous metal characteristics:

Answer 9

Poor corrosion resistance
Tough- absorb shock

Question 10

Use of low carbon steel:

Answer 10

Nuts
Car bodies

Question 11

Use of medium carbon steel:

Answer 11

Springs

Question 12

Use of cast iron:

Answer 12

Pots
Machine parts

Question 13

Similar non ferrous characteristics:

Answer 13

Malleable
Ductile
Lightweight
Resistant to corrosion

Question 14

Aluminium uses:

Answer 14

Drink can

Question 15

Gold uses:

Answer 15

Jewellery

Question 16

Silver uses:

Answer 16

Jewellery
Cutlery

Question 17

Copper uses:

Answer 17

Electrical wires

Question 18

Similar ferrous metal characteristics:

Answer 18

Hard
Tough

Question 19

Bronze uses:

Answer 19

Coins
Statues
Bells

Question 20

Brass uses:

Answer 20

Instruments
Door handles
Taps

Question 21

Duralumin uses:

Answer 21

Vehicle parts

Question 22

Pewter uses:

Answer 22

Trophies
Cheap jewellery

Question 23

Similar non-ferrous alloys characteristics:

Answer 23

Tough
Fusible
Malleable
Corrosion resistance

Question 24

Brass characteristics:

Answer 24

Antibacterial
Conductor

Question 25

What is bronze made of?

Answer 25

Copper and tin

Question 26

What’s brass made of?

Answer 26

Copper and zinc

Question 27

Whats duralimin made of?

Answer 27

Copper and aluminium

Question 28

What’s pewter made of?

Answer 28

Copper and tin
- 91% tin, high amount

Question 29

Bronze characteristics:

Answer 29

Easily cast into complex shapes
Self lubricating

Question 30

Duralimin characteristics:

Answer 30

Lightweight
High tensile strength

Question 31

Pewter characteristics:

Answer 31

Soft
Easy to cast

Question 32

When cast iron called wrought iron?

Answer 32

When it isn’t cast
Metal is heated and worked with tools

Question 33

Appearance of low carbon steel:

Answer 33

Bright grey
Smooth

Question 34

Appearance of cast iron:

Answer 34

Dull grey
Rough

Question 35

What does an increase in carbon content mean?

Answer 35

Increased hardness, decreased toughness
- gradually more brittle

Question 36

When is cast iron called cast iron?

Answer 36

When cast
- cooled in a mould from molten state

Question 37

What is die steel also known as?

Answer 37

Tool or high carbon steel

Question 38

What is low carbon steel also known as?

Answer 38

Mild steel

Question 39

What is medium carbon steel also known as?

Answer 39

Spring steel

Question 40

Ferrous alloys characteristics?

Answer 40

Hard
Tough

Question 41

Die steel uses:

Answer 41

Workshop tools

Question 42

High speed steel uses:

Answer 42

Drill bits

Question 43

Stainless steel uses:

Answer 43

Cutlery

Question 44

What is the non ferrous equivalent to rusting?

Answer 44

Oxidising
- change in surface color or breaking down due to time

Question 45

What ore is copper made from?

Answer 45

Chalcopyrite

Question 46

What ore is tin from?

Answer 46

Cassiterite