Metals

Question 1

Mild steel properties

Answer 1

tough
malleable
magnetic

Question 2

Mild steel uses

Answer 2

structural steel girders

car body panels

Question 3

Mild steel adv.

Answer 3

easily worked and joined
cheap
available in many forms and sections
recycled

Question 4

mild steel disadv.

Answer 4

rust

only case hardened

Question 5

stainless steel properties

Answer 5

hard
tough
corrosion resistant

Question 6

stainless steel uses

Answer 6

cutlery
kitchen sinks
pots and pans
surgical instruments

Question 7

stainless steel adv.

Answer 7

easily cleaned
no surface finishing
recycled
high lustre finish

Question 8

stainless steel disadv.

Answer 8

difficult to use

special welding needed

Question 9

Carbon steel properties

Answer 9

ductile

Question 10

carbon steel uses

Answer 10

nails, screws, nuts

Question 11

carbon steel adv.

Answer 11

recycled

Question 12

carbon steel disadv.

Answer 12

rust easily heat treated

Question 13

aluminium properties

Answer 13

lightweight
soft
ductile
malleable
HE
CR

Question 14

aluminium Uses

Answer 14

Window frames
soft drink cans
kitchen foil
uses in alloys

Question 15

aluminium advantages

Answer 15

easily drawn into thin wires and sheets
can be recycled
easily cast

Question 16

aluminium disadvantages

Answer 16

expensive difficult to weld, as specialist equipment is required

Question 17

Copper properties

Answer 17

malleable
ductile
good conductor of heat and electricity
corrosion-resistant

Question 18

Copper uses

Answer 18

electric cables
plumbing fittings and pipes
hot water cylinders

Question 19

Copper advantages

Answer 19

easily drawn into thin wires
can be recycled
easily soldered

Question 20

Copper disadvantages

Answer 20

expensive

will tarnish over time

Question 21

Zinc properties

Answer 21

excellent resistance to corrosion

Question 22

Zinc uses

Answer 22

protective coverings for railings and dustbins

negative battery terminal

Question 23

Zinc advantages

Answer 23

can be recycled

Question 24

Zinc disadvantages

Answer 24

brittle

Question 25

Brass (alloy) properties

Answer 25

Good resistance to corrosion good fluidity, casts well good conductor of heat and electricity

Question 26

Brass (alloy) uses

Answer 26

plumbing fittings | marine fittings

Question 27

Brass (alloy) advantages

Answer 27

can be polished to achieve a high-lustre finish tougher than copper can be recycled easily cast and turned

Question 28

Brass (alloy) disadvantages

Answer 28

relatively expensive

Question 29

Ductility definition

Answer 29

the ability to be drawn or stretched into thinner, smaller sections

Question 30

Malleability definition

Answer 30

the ability to be deformed by compression without tearing or cracking

Question 31

Hardness definition

Answer 31

the ability to withstand abrasive wear and indentation

Question 32

Toughness definition

Answer 32

the ability to withstand sudden and shock loading without fracture

Question 33

Elasticity definiton

Answer 33

the ability to return to original shape once the deforming force is removed

Question 34

Tension definition

Answer 34

the ability of a material to withstand being pulled apart

Question 35

Shear definition

Answer 35

the ability of a material or joint, to withstand being slid or pulled apart