P2 Revision

Question 1

What does SCAMPER stand for

Answer 1

Substitute
Combine
Adapt
Magnify
Put to other uses
Eliminate
Rearrange

Question 2

3 characteristics of Copyright

Answer 2

Protects creative/artistic works
Means people cannot reproduce your work without your permission
When an idea is put into writing it is automatically protected by copyright eg song lyrics

Question 3

Kevlar properties and applications

Answer 3

Good strength to weight ratio
Resistant to high temperatures

Bullet proof vests

Question 4

Tungsten carbide properties and uses

Answer 4

strong
impact resistant
Corrosion resistant
Hard

Drills for steel

Question 5

Draw and Explain laminating process

Answer 5

Joins 2 or more layers together
PP is fed through heating wedge under high pressure

Question 6

Draw and explain water jet cutting

Answer 6

Pressurised water is accelerated out of a nozzle
Abrasives are added
Clean and accurate cut produced

Question 7

Draw and uses of CNC routers/millers/lathes

Answer 7

Router: engravings
Miller: complex contours
Lathes: cylindrical contours

CNC milling machines are used to precisely and accurately cut metal and wood

Question 8

Continuous production

Answer 8

24/7 production of product
Fully automated

eg water bottles

Question 9

Mass production

Answer 9

Producing 10k + units
Automated
High setup cost
Low unit cost

iPhone

Question 10

Cell production

Answer 10

Workflow is divided into teams
Different teams have different tasks
Develops skill and improves motivation

Question 11

Quick response manufacturing

Answer 11

Reduces lead time increases productivity
Has cells in high mix low volume environments

Question 12

Kanban

Answer 12

Reduces need for storage and the high cost that come with it
Work is only progressed when next section is ready

Question 13

Describe a product that has been influenced by scientific advances

Answer 13

Phone and touch screen
New technology developed
Demand for new technology in product almost all phones are now touchscreen

Question 14

Engineering/manufacturing specifications

Answer 14

Working drawings
Processes
Tolerances all included

Question 15

Lateral thinking

Answer 15

Free mind of dominant ideas
Don’t try make it fit with rest of product
Paper clip analogy- chance

Question 16

Things to consider when selecting processes and technology

Answer 16

Cost
Material/process constraints
Try to use standard components

Question 17

Bio photovoltaic description

Answer 17

Generate electricity from light energy via photosynthesis

Question 18

SMAs description and uses

Answer 18

Return to original shape once heated up
Nitinol
Springs

Question 19

Piezoelectric materials

Answer 19

Turns electrical energy into mechanical energy and vice versa
Used in gym equipment

Question 20

Quality assurance v quality control

Answer 20

Qa : manufacturing process
Qc : final product

Question 21

Statistical testing methods (2 forms)

Answer 21

Acceptance sampling ; sample of products taken and if enough pass they all pass
Control chart; like a wave only if it goes above upper bound or below lower bound it is a fail