revision

Question 1

JIT

Answer 1

used by manufacturers to respond to consumer demand.
(keeping track of only enough orders to supply the actual demand for the company’s products)
Advantages - saves storage space & reduced costs- products made to order
Disadvantages - costs are higher; no bulk buying

Question 2

Co operatives

Answer 2

run and owned by it’s members

- stronger voice & greater protection

Question 3

Explain the purpose of Quality Control (2)

Answer 3

Quality control checks a product meets standards and any industry regulations
guarantees accuracy of a component (1)
and that it is an acceptable standard for sale (1)

Question 4

Design for Maintenance

Answer 4

broken parts can be replaced

+ environment, saves the product from being thrown away

Question 5

Kevlar

Answer 5

Kevlar is a strong synthetic fiber. amarid fibres
Properties:
- high TENSILE strength
- hard wearing
- flexible & lightweight
- cut and puncture resistant
- heat resistant
It is used in PPE, bullet proof vests, and body armour.
also used to reinforce tyres, add strength and durability to sports equipment.

Question 6

Kevlar is used to produce body armour.

Explain how Kevlar fibres are arranged to provide its protective properties (2)

Answer 6

The fibres are tightly woven (1)
to resist penetration (1)
The fibres absorb (ad dissipate) impact (1)

Question 7

Tolerances

Answer 7

ERRRORRRRRRRRR
the amount of error allowed
There will be a measurement range which is an acceptable difference in size between an upper and a lower limit.

Question 8

Origins of paper

Answer 8

PULP
Trees are cut —> Timber is debarked —> chips are added to the solution and cooked to produce a pulp —> chemicals are added —-> bleached / dyed to colour —> sizing —> excess water removes —> calendering

Question 9

Renewable Energy

Answer 9

wont run out 
environmental benefits (carbon neutral, drilling for oil and mining for coal disrupts the environment)

Question 10

Biodegradable Materials

Answer 10

decompose a lot quicker in landfill

e.g. compost, fibre, cork, sand, straw

Question 11

Manufactured Board

Answer 11

inexpensive so are often used as instead of real woods.
do not look as good as real woods look.
covered with a thin layer of real wood which
is called (veneer) this improves their appearance.
Not water resistant
MDF - Smooth, even surface.
Plywood - A very strong board which is constructed of layers of veneer or piles which are glued at 90 degrees to each other.
Chipboard - Made from chips of wood glued together.

Question 12

Card and Board

Solid white, inkjet, duplex

Answer 12

Solid white - brilliant white, smooth finish, high quality. used in greeting cards
Ink jet - bleed proof printable surface used in printing photographs
Duplex - used with a waxy coating for food and drinks containers

Question 13

Softwoods

Answer 13

Softwoods are from coniferous trees (needles & cones)
Pine - lightweight, easy to work, e.g. funrniture
Spruce - high stiffness to weight ratio e.g. construction, furniture and musical instruments
Larch - durable, tough, good water resistance exterior cladding, decking

Question 14

Surface finishes

Answer 14

Metals - powder coating, plastic dip coating
Timber and wood - Painting, varnish, wax, stain
Papers and boards -Printing, waterproof coating, laminating

Question 15

2d and 3d design

Answer 15

Makes Design Changes Quick and Easy. …
Visualization. (Photorealistic Renderings and Animations.)
Easy to share

Question 16

Anthropometric data analysis

Answer 16

the study of the human body, its measurements and proportions

• aims to ensure that every person is as comfortable as possible
• right size