Summer assessment

Question 1

What is primary research?

Answer 1

research you conduct yourself by going straight to the source

Question 2

What is secondary research?

Answer 2

type of research that has already been compiled, gathered, organized and published by others

Question 3

Explain JIT?

Answer 3

method of organising a factory so that materials and components are ordered to arrive at the product assembly plant just in time for production

Question 4

Planned obscelence definition?

Answer 4

planning or designing a product to have a short life span

Question 5

Explain laminating?

Answer 5

Laminating is the process of bending wood to a particular shape.

• first a former is produced using a durable material and is clamped together using G clamps of wedges
• wood is sawed into thin strips (vaneers) which easily bend around the former. Each vaneer needs to be slightly longer and wider then the final product to ensure. The vaneers are then glued and clamped onto the former and left until dry.
• once dry the lamination is removed from the former and trimmed and finished

Question 6

What are the four types of metal finishes?

Answer 6

painting, dip coating, powder coating, galvonising and anodising

Question 7

Explain how and why powder coating is done?

Answer 7

• Item being coated is electrically charged and paint is applied in powdered form. The powder is attracted to charged object where it forms an even layer.
• object then passes through an oven where the paint cures and hardens
• powder coating provides a more durable finish than other painting methods and means oxygen cant get to the metal providing an easthetic and protection

Question 8

What are the four types of material extraction?

Answer 8

• mining
• drilling
• farming
• deforestation

Question 9

Explain mining?

Answer 9

• mining is the removal of extraction of minerals and metals from the earth
• damages environment, contaminates water supply, threatens indiginous communities, deforestation
• metal has to be extracted from ore using cyanide and mercury - can harm us and environment

Question 10

WHat are the two types of mining?

Answer 10

land and river dredging

Question 11

Explain land dredging?

Answer 11

land dredging involves drilling a hole in the ground and using high pressure hose to expose the layer of sand and clay that holds small pieces of metal. Metal collected from slurry and the waste is collected in pools

Question 12

Explain river dredging ?

Answer 12

moving along a river with a suction hose to collect gravel and mud.
This travels down pipes where any metal fragments are collected. Waste gravel and mud is deposited down the the river and can disrupt natural flow

Question 13

WHat has to happen to metal after river or land dredging?

Answer 13

• raw material has to be melted down using energy and may have to be extracted from ore.
  after extraction or melting down you get pure metal

Question 14

Explain what reduce is?

Answer 14

the amount of energy and materials used in manufacture of the product. This will help protect valuable resources

Question 15

What is reuse?

Answer 15

using product for something else so you dont need to through it away

Question 16

WHat is refuse?

Answer 16

not buying materials and products which are unsustainable

Question 17

Name a wasting process?

Answer 17

sanding

Question 18

Which equipment is used in sanding?

Answer 18

electric sander
sand paper
table or disk sander

Question 19

What material will it cut out?

Answer 19

removes wood or metal ( creates shavings )

Question 20

When is sanding used?

Answer 20

used to achieve a clean and smooth finish or help prepare an area for application of paint or other finishes. you remove imperfections

Question 21

How is chipboard made?

Answer 21

shavings from wood from turning or sanding are then combined together in extreme heat, epoxy-resin and pressure to create a chipboard