Metals

Question 1

What is a Ferrous Metal?

Answer 1

A Metal containing iron and Carbon.

Question 2

Give Examples of Ferrous Metals.

Answer 2

Pig Iron, Cast Iron, Medium carbon steel, high carbon steel and mild steel.

Question 3

What is a Non ferrous Metal?

Answer 3

Metals not containing iron and carbon.

Question 4

Give Examples of Non-Ferrous Metals.

Answer 4

Aluminium Copper, Zinc, Titanium, Sliver

Question 5

What is a Alloy?

Answer 5

A Combination of metals.

Question 6

What Metal comes from Iron?

Answer 6

Magnetite And Haematite

Question 7

What Metal comes from Copper?

Answer 7

Chalcopyrite

Question 8

What Metal comes from Aluminium?

Answer 8

Baurite

Question 9

What Metal comes from Lead?

Answer 9

Galena

Question 10

What Metal comes from Tin?

Answer 10

Cassiterite

Question 11

What Metal comes from Zinc?

Answer 11

Zinc Blende

Question 12

Pig Iron has a very high carbon rate, what is the carbon rate?

Answer 12

3.5-4.5%

Question 13

Wrought iron has a very low carbon rate, What is the carbon rate?

Answer 13

0.04-0.08%

Question 14

Cast Iron is mould liquid Pig Iron, What is the carbon rate?

Answer 14

3.5%

Question 15

Mild Steel is most common for building, What is the carbon rate?

Answer 15

0.15-0.30%

Question 16

what is the carbon rate of Medium Carbon Steel?

Answer 16

0.3-0.7%

Question 17

High carbon steel is used for tools, what is the carbon rate?

Answer 17

0.7-1.7%

Question 18

As carbon percentage increases, hardness of the metal increases. Up to what percentage does the metal starting being brittle? (Weak)

Answer 18

2%

Question 19

Do Non-Ferrous Metals Rust or Oxides?

Answer 19

Oxides cause they don’t have iron in them

Question 20

What are the Properties Of Aluminium?

Answer 20

Strong, Relatively Expensive, Light-Weight, Conducts Heat.

Question 21

What is the Melting Point Of Aluminium?

Answer 21

660 Degrees

Question 22

What are the Properties Of Copper?

Answer 22

Conductor of Heat and Electricity, Relatively Expensive.

Question 23

What is the Melting Point Of Copper?

Answer 23

1083 Degrees

Question 24

What is the Melting Point Of Tin?

Answer 24

232 Degrees

Question 25

What are the Properties Of Lead?

Answer 25

Resistance to chemicals, Can Block Wavelengths

Question 26

What is the Melting Point Of Lead?

Answer 26

330 Degrees

Question 27

When Zinc gets applied to Steel or Iron What is that Process Called?

Answer 27

Galvanising

Question 28

What is the Melting Point Of Zinc?

Answer 28

419 Degrees

Question 29

What are the Properties Of Titanium?

Answer 29

Good Strong To Weight Ratio, Expensive

Question 30

What is the Melting Point Of Titanium?

Answer 30

1675 Degrees

Question 31

Name the 3 Main Precious Metals

Answer 31

Sliver, Gold, Platinum

Question 32

What is the Melting Point Of Sliver?

Answer 32

960 Degrees

Question 33

What is the Melting Point Of Gold?

Answer 33

1063 Degrees

Question 34

What is the Melting Point Of Platinum?

Answer 34

1755 Degrees

Question 35

What is Steel Mixed with to make Stainless Steel?

Answer 35

Nickel, Chromium And Magnesium

Question 36

What Are the Properties Of Stainless Steel?

Answer 36

High Resistance To Corrosion, Very Clean And Hygienic, Tough and wear resistance.

Question 37

What is Steel Mixed with to make Die Steel?

Answer 37

Steel + Chromium + Tungsten

Question 38

What Are the Properties Of Die Steel?

Answer 38

Hard, Tough And Durable

Question 39

What is Steel Mixed with to make Brass?

Answer 39

Copper + Zinc

Question 40

What is Steel Mixed with to make Bronze?

Answer 40

Copper And Tin (90/10%)

Question 41

What is Steel Mixed with to make Duralumin?

Answer 41

Aluminium + 4% Copper + 1% Manganese + 0.1% Magnesium

Question 42

What is Steel Mixed with to make Pewter?

Answer 42

Tin + Copper + Antimony

Question 43

What is the Melting Point Of Pewter?

Answer 43

200 Degrees