Chapter 5

Question 1

Polymers

Answer 1

A long chain substance made of bonded monomers and have identical molecular structure

Question 2

Monomer

Answer 2

the smaller units from which larger molecules are made.

Question 3

Synthetic

Answer 3

Something created to imitate a natural product

Question 4

Polymerisation

Answer 4

Chemical procces of monomers joining together to form polymers

Question 5

Catalysts

Answer 5

Chemicals that cause a reaction to happen and speed up the process

Question 6

Additives

Answer 6

Substances added to polymers to improve their mechanical properties

Question 7

Stockforms

Answer 7

the standard shapes and sizes in which a. material is available

Question 8

Examples of working properties

Answer 8

How they look?
What are they commonly used for?
How do they perform in use?

Question 9

What are materials selected by

Answer 9

Working properties

Question 10

What are paper and boards selected by

Answer 10

The purpose they are going to be used for

Question 11

Examples of purposes of paper and boards

Answer 11

Packaging
Drawing and sketching
Model making

Question 12

what is the selection criteria of board and papers

Answer 12

How easy is it to recycle
How expensive is it t
What will the use be for it
Does it have any special properties

Question 13

What can you do on paper and boards

Answer 13

Texture
Embossing
Printing
Laminating
Sketching
Drawing
Building models

Question 14

How is paper made

Answer 14

1- wood pulp is obtained from cutting down trees
2- The bark and chippings are then removed and ground down or cooked with chemicals to extract the cellulose fibres.

Question 15

What does corrugated cardboard do?

Answer 15

Gives compressive strength

Question 16

What is a use of corrugated card

Answer 16

Packaging products for transportation

Question 17

Why is it good to score cards

Answer 17

So it can be folded more easily

Question 18

What is paper made out of

Answer 18

New fibres or recycled materials

Question 19

Common weights used for paper

Answer 19

80 to 170

Question 20

A weight greater than ______ is classified as a board rather than paper

Answer 20

170gsm

Question 21

What is the thickness of board measured in

Answer 21

Microns

Question 22

Paper types

Answer 22

Layout paper
Copier paper
Cartridge paper
Bleedproof paper
Sugar paper

Question 23

What is offset lithography?

Answer 23

A commercial printing method that uses four colours, cyan, magenta, yellow and black (CMYK).

Question 24

White board

Answer 24

High quality white card

Question 25

3d printing

Answer 25

A method of adding material in layers to build a solid form.

Question 26

absorbent

Answer 26

An ability to hold a liquid

Question 27

Absorbency

Answer 27

An ability to hold a liquid such as water.

Question 28

additive manufacturing

Answer 28

A method of shaping a form by building on top of material

Question 29

Aesthetic

Answer 29

How something looks

Question 30

batch production

Answer 30

Where one group of identical products is made at the same time, before moving onto producing the next group

Question 31

whats a calendar

Answer 31

A high pressure roller

Question 32

cellulose

Answer 32

A carbohydrate. It forms the cell wall in plant cells.

Question 33

colour spectrum

Answer 33

The colours that are visible to the human eye.

Question 34

CAD

Answer 34

The process of creating a 2D or 3D design using computer software.

Question 35

What does CAD stand for

Answer 35

Computer aided design