Working properties, Paper

Question 1

Ductility definition, example

Answer 1

The ability of a material to be stretched or pulled without breaking
Copper is ductile so can be drawn out to make wire

Question 2

Elasticity definition, example

Answer 2

The ability to return to its original shape after compression or stretching
Lycra is used for sportswear to provide freedom of movement

Question 3

Hardness definition, example

Answer 3

The ability to withstand impact wear abrasion an indentation
Tungsten is hard used for knives drills saws

Question 4

Malleability definition, example

Answer 4

The ability to be bent and cracked without cracking and splitting
Gold, copper, silver and lead can all be easily hammered into shape

Question 5

Strength definition, example

Answer 5

The ability to withstand for such as pressure compression tension or shear
Maybe strong in one fourth, but not other
Concrete is strong under compression, but not tension

Question 6

Toughness definition, example

Answer 6

The ability to absorb shock without fracturing
Kevlar body armour, absorbs impact

Question 7

Describe the difference between toughness and hardness

Answer 7

Toughness is the ability of a material to withstand an energy or false before it becomes fractured
Hardness is a measure of resistance to abrasion, wear scratching or penetration

Question 8

Layout paper,
properties and uses

Answer 8

Medium, opacity,
smooth finish
60-90gsm
Sketch and design work

Question 9

Tracing paper
properties uses

Answer 9

Off-white
Low opacity
60-90gsm
Copying
Tracing
Overlay

Question 10

Cartridge paper
Properties uses

Answer 10

Thick white
Textured surface
120-150 gsm
Sketching
water colour
ink drawings

Question 11

Bleed proof paper
Properties uses

Answer 11

Thick coated, paper
prevents bleeding
120 to 150 GSM
High quality illustrations,
colour, richness
Vibrancy

Question 12

Grid paper
Properties, uses

Answer 12

White paper printed grid, isometric linEs
80 to 100 GSM
Scale, drawings
Making models
Scientific diagrams