TK PAPER 1

Question 1

Advanatges of FEA

Answer 1

Can measure the capability of components and parts to take on stress

Shows how products perform under forces

Identifies weaknesses

Question 2

What does FEA stand for and what does it do?

Answer 2

Finite element analysis - Measures how well products will perform under real world forces.

Question 3

What does tolerance mean?

Answer 3

Measures the margin for error

Question 4

What happens if products is out of tolerance?

Answer 4

Can be rejected by tolerance checks.

Question 5

Disadvantages of Modelling?

Answer 5

Requires highly skilled workers
Labour intensive

Question 6

What is rapid prototyping?

Answer 6

A method used to quickly fabricate a scale model or physical component using 3D printing

Question 7

What are the purposes of modelling?

Answer 7

Shows where problems are and were improvements can be made

Question 8

Examples of marketing?

Answer 8

Paper surveys
Interviews/focus groups
Online surveys
Video conferencing

Question 9

Disadvantages of marketing

Answer 9

Time consuming

Question 10

What is a smart material?

Answer 10

Smart materials have one or more properties that is dramatically altered by an external stimulus

Question 11

Examples of smart materials?

Answer 11

Shape memory alloys
thermochromic pigment - changes color due to heat.

Question 12

What does a shape memory alloy do?

Answer 12

Shape memory alloys can be programmed to remember a specific shape. Always return to original form.

Question 13

What are the three categories of metals?

Answer 13

Ferrous
Non ferrous
Alloys

Question 14

What is a ferrous metal?

Answer 14

A ferrous metal contains iron, they are magnetic and can rust.

Question 15

What is a non ferrous metal?

Answer 15

A non-ferrous metal doesn’t contain iron, is non magnetic and do not rust.

Question 16

What is a metal alloy?

Answer 16

A metal alloy is a combination of two or more metals or mixes one metal with a non metallic element.

Question 17

What is Phillip shark famous for?

Answer 17

Design of Motor Yatch A and kitchen appliances like orange squeezer.

Question 18

What design era is Phillip stark?

Answer 18

Post modernism + Memphis

Question 19

Key characteristics of a good designer

Answer 19

Creative
Open minded
Reslient
Unique

Question 20

Impacts of WW1 on designers

Answer 20

Mass manufacturing
More efficient production
Designers and manufacturers had to change focus to military equipment
Bauhaus era

Question 21

Impacts of WW2 on designers?

Answer 21

Scarcity of materials
Rations
Arts and crafts era

Question 22

Characteristics of low carbon steel

Answer 22

Low carbon steel is:
Malleable
Inexpensive
Easy to weld
Good tensile strength
Used for nuts and bolts
0-0.28% carbon

Question 23

Characteristics of Medium Carbon steel

Answer 23

Medium carbon steel:
Hard and malleable
Good tensile strength
Used for springs, gears, rail tracks
0.29-0.54% carbon

Question 24

Characteristics of grey cast iron?

Answer 24

Grey cast iron:
Distributes heat evenly
Good head resistance to oxidation
Used for radiators or cooking gear
2.5-4% Carbon

Question 25

Examples of non ferrous metals and there uses?

Answer 25

Gold - jewellery Copper - electrical wires Silvern - jewellery Aluminium - plane parts Tin - electrics

Question 26

Characteristics of stainless steel and its use?

Answer 26

Stainless steel: Corrosion resistant Impact resistant Used for construction

Question 27

Characteristics of high speed steel and its uses?

Answer 27

High speed steel: Hard and tough and holds edges well Withstands high temperatures Used for drill bits, kitchen knives, tools

Question 28

What is tensile strength?

Answer 28

The ability of a metal to withstand pulling forces.

Question 29

What are the 3 types of hardness tests?

Answer 29

Rockwell test - diamond ball Brinell test - steel ball Hardness test - Pyramid diamond test

Question 30

When would shape memory alloys be used?

Answer 30

Self opening windows would use SMA to open/close then air pressure or temp changes which would offset a switch and motor to close the window.

Question 31

Advantages of marketing?

Answer 31

Recognisable brand without colour in logos. Feeling associated with brand Corporate identity - memorable image/logo

Question 32

What does critical path analysis do

Answer 32

CPA analyses merits and faults in a design.

Question 33

What does virtual marketing do?

Answer 33

Virtual marketing means companies can reach individuals quicker through social media and messenges

Question 34

(Polymers) What does nylon do?

Answer 34

Nylon is durable and is abrasion and heat resistant, nylon is commonly used for seat belts.

Question 35

(Polymers) What does polyester resin do?

Answer 35

Polyester resin is used in the marine industry (boat hulls) as it is water resistant.

Question 36

(Polymers) What does ABS do?

Answer 36

ABS is tough and has good impact strength, it is often used for safety helmets due to its mouldability.

Question 37

(Polymers) What does Poly propylene do?

Answer 37

Poly propylene is tough and flexible and is often used for food packaging.

Question 38

What is Quality assurance?

Answer 38

Quality assurance is an approach that aims to ensure quality by organising every stage throughout the process to get the product right first time. - Reduces waste - uses feedback loops to prevent error - Accurate manufacturing

Question 39

What is quality control?

Answer 39

Quality control involves inspecting products after they have been made and seeing if they comply with manufacturing requirements. - see if parts are within tolerance and matches design.

Question 40

How can tolerances be measured for quality control

Answer 40

Tolerances can be measured with: Rulers, callipers, gauges Digital micro metres Laser + probe scanners.

Question 41

Name some types of pre manufactured components?

Answer 41

Wood screws - made of mild steel coated in brass - range of sizes Hindges + Handles nut + bolts

Question 42

(Metal finishes) What does power coating do?

Answer 42

Power coating provides a durable, long lasting and aesthetic finish which enhances environmental performance. Often used on car parts and outdoor furniture

Question 43

(metal finishes) What does Anodising do?

Answer 43

Anodizing enhances corrosion resistance and is often used on aluminium parts like aerospace components.