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Design Tech > asdf > Flashcards

asdf Flashcards

1
Q

What type/s of forces is a balloon under when inflated?

A

compression, tension…

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2
Q

What type of turning technique would be used to create a grip on a bar?

A

Knurling

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3
Q

Explain what is meant by the term Product miles.

A

The number of miles travelled by a product from manufacture - disposal

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4
Q

What unit is used to measure Paper?

A

GSM (Grams per sq. metre)

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5
Q

What is meant by Finite Energy source?

A

a resource that is limited

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6
Q

What is meant by non-finite energy source?

A

a resource that is unlimited

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7
Q

Give an example of a finite energy source.

A

coal, oil, gas

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8
Q

Give an example of a non-finite energy source.

A

solar, wind, hydro

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9
Q

What is meant by Technology Push?

A

Product ideas being realised in response to new tech

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10
Q

Give an example of technology push.

A

new tech invention, miniaturisation, new use for tech

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11
Q

What does CNC stand for?

A

Computer Numerical control

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12
Q

Give two examples of CAM hardware

A

laser/plasma cutter, 3D printer, router….

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13
Q

What is meant by Planned Obsolescence?

A

Deliberately limited lifespan of products

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14
Q

What is a composite material?

A

Combination of two + materials to improve properties

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15
Q

What does PPE stand for?

A

Personal Protective Equipment.

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16
Q

What is the voltage of a standard single rechargeable cell?

A

1.2V

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17
Q

What is the standard voltage of an alkaline battery cell?

A

1.5V

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18
Q

What forms can potential energy be stored as?

A

Mechanical, Chemical, Gravitational, Nuclear

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19
Q

Why are corn starch polymers not ideal for use outside?

A

They will soften over time as they start to biodegrade

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20
Q

What process is used to extract Shale gas from the earth?

A

Fracking

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21
Q

What do ferrous metals contain that makes them ferrous?

A

Iron

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22
Q

What is another name for a bar of metal?

A

Ingot

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23
Q

What does PCB stand for?

A

Printed Circuit Board

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24
Q

Describe what is meant by Ergonomics.

A

The study of human interaction with objects.

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25
Q

Describe what is meant by Anthropometrics.

A

Studies the measurements of humans in relation to products.

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26
Q

What system - Ordering & Manufacturing parts as they are needed.

A

JIT

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27
Q

Give one advantage of using automation for an assembly line.

A

24/7, no breaks, increased production…

28
Q

Define what an Alloy is.

A

A combination of one pure metal and another element.

29
Q

Define what is meant by Lamination

A

Bonding two or more materials/layers of material to improve properties

30
Q

Define Toughness

A

Absorb energy through shock without fracturing

31
Q

Define Hardness

A

resist abrasive wear and indentation through impact

32
Q

Define Strength

A

Ability to withstand a force such as pressure, tension or shear.

33
Q

Give two benefits of using JIT manufacturing.

A

no storage expense, less material in stock

34
Q

Give two disadvantages of using JIT manufacturing.

A

Rely on suppliers, Long lead times, change in suppliers can cause delays (KFC)

35
Q

List two synthetic fabrics

A

Polyester, Polyamide (nylon), Elastane, Poly-cotton (blended fabric)

36
Q

List two Natural Fabrics

A

Cotton, Silk, Wool

37
Q

Give two platforms for virtual marketing.

A

websites, social media, email: amazon, etsy, facebook….

38
Q

What is meant by the term provenance in relation to a product.

A

where goods and their components come from.

39
Q

What does the term WEEE stand for?

A

Waste Electrical and Electronic Equipment waste

40
Q

How can steel hinges be modified to protect them from rust?

A

Galvanised / Painted

41
Q

Name two Smart Materials.

A

Thermo/Photochromic, SMA nitinol, self healing concrete/polymer…

42
Q

How many sheets of A4 paper can be cut from an A1 piece?

A

8

43
Q

Which linkage changes the direction of a motion through 90 degrees?

A

Bell crank

44
Q

Which linkage converts rotary motion to reciprocating motion?

A

Crank and Slider

45
Q

What is the difference between Hard and Soft woods?

A

names reflect the cell structure. Hard-deciduous, Soft-Coniferous.

46
Q

Give two examples of Hardwood.

A

Ash, Beech, Mahogany, Oak, Balsa…..

47
Q

Give two examples of Softwood.

A

Larch, Pine, Spruce….

48
Q

Name three methods that could speed up the manufacturing of batch products

A

Use Jigs, templates, moulds, patterns, formers

49
Q

Three examples of products that would be defined as “one off production”

A

Wedding ring, Jewellery, Bespoke furniture, musical instruments…

50
Q

SEO means what in the digital world

A

Search Engine Optimisation

51
Q

Which cam profile would be used to simulate an animals jaws opening and then snapping?

A

Snail Cam

52
Q

Why may a company choose wind turbine over solar energy

A

They can work 24/7,

53
Q

Suggest two suitable metals that would be good for cookware

A

Copper, Stainless steel, aluminium

54
Q

State one property and use for Balsa wood

A

Modelling, easily cut, lightweight

55
Q

State two properties of Oak and why it is suitable for wood flooring

A

Aesthetically pleasing, Tough, hard wearing, hard (resists indentation)

56
Q

State two properties of copper that make it suitable for electrical wiring

A

Malleable, electrically conductive, ductile,

57
Q

What is microencapsulation

A

self healing particles,

58
Q

Give two examples of micro encapsulation

A

self healing concrete and polymers

59
Q

Describe how 3D printer uses addition to form an object

A

layers

60
Q

Name three types of wood joint.

A

Dowel, Butt, Mitre, Housing, Mortise and Tenon, dovetail, finger

61
Q

What three pieces of PPE would be appropriate when mechanically sanding?

A

Goggles, Apron and Mask

62
Q

Give the name of the two types of knitting

A

Warp and Weft

63
Q

Give two ways the CNC router can be used

A

cut and etch

64
Q

Give two benefits of standardisation

A

Everything is the same, interchangeable parts

65
Q

Explain the difference between two and three axis CAM machines

A

one has x&y, the other has xyz

Design Tech (5 decks)

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