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DTE GCSE > Bitesize Resistant Materials > Flashcards

Bitesize Resistant Materials Flashcards

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1
Q

Why are hardwoods called hardwoods?

A

Because of their cell structure

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2
Q

What type of trees do softwoods come from?

A

Coniferous

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3
Q

What do ferrous metals contain?

A

Iron

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4
Q

What do we call a mixture of two or more metals, or elements such as carbon?

A

Alloy

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5
Q

How many times can thermoplastics be heated and shaped?

A

Many times

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6
Q

What are composite materials made of?

A

A combination of a reinforcing material and a suitable bonding agent

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7
Q

What are smart materials?

A

Smart materials react to a stimulus, eg. temperature, moisture

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8
Q

What sort of smart materials react to changes in light levels?

A

Photochromic pigments

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9
Q

If a material can permanently deform in all directions without cracking it is…

A

Malleable

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10
Q

If a material can withstand sudden blows or shocks without breaking it is…

A

Tough

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11
Q

Which component is used when there is only access to one side of a material?

A

Pop rivets

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12
Q

Knockdown fittings are ………………. joints

A

Temporary

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13
Q

What method of joining two pieces of metal along a joint requires using no filler?

A

Welding

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14
Q

Can MDF be stuck together with PVA?

A

Yes

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15
Q

What sort of adhesive should be used for joining acrylic?

A

Acrylic cement

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16
Q

Who sets the brief for designer to work to?

A

The client

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17
Q

What does anthropometrics mean?

A

Anthropometrics is the study of the sizes of people in relation to products

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18
Q

What does ergonomics mean?

A

Ergonomics is the relationship between people and the products which they use

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19
Q

In orthographic projection, which view is called the plan?

A

Above

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20
Q

What is a life size working model of a design used for testing (development and evaluation) called?

A

Prototype

21
Q

What is quality of design?

A

How well the product meets the needs of the user

22
Q

What is quality of manufacture?

A

How well the product has been made

23
Q

What does being aware of consumer demand mean?

A

Finding out what people want, then designing products that will suit them

24
Q

To ensures after of the product when it is used, the designer needs to check…

A

That the product is strong enough to support the loads involved

25
Q

What should a designer do if there is a risk that someone could be harmed while using the product?

A

Redesign the product

26
Q

All those involved in product manufacture have a responsibility to use safe working techniques in order to avoid harming…

A

Themselves and others

27
Q

What should power tools be isolated from?

A

Electrical supply

28
Q

What is the purpose of a risk assessment?

A

To outline any hazards

29
Q

What kind of planning chart shows the tasks involved in making a product, with any overlaps between different tasks?

A

Gantt chart

30
Q

When marking out, you need something flat and straight to measure from. What is this called?

A

A Datum Surface or a Base Line

31
Q

What tool is used to to check that one surface is at right-angles to another called?

A

Try square

32
Q

What should you use to mark a line parallel to the edge of a piece of metal?

A

You use odd-leg callipers

33
Q

Fabrication processes can be….

A

Permanent or temporary

34
Q

What is it called when wood is put between two mounds and and bent into shape?

A

Laminating

35
Q

In which method of deforming is sheet plastic placed between the two halves of a mould, which are then heated and pressure applied?

A

Compression moulding

36
Q

What type of production is when hundreds of identical products are made, usually on a production line?

A

Mass production

37
Q

What is the main difference between mass production and continuous flow?

A

In continuous flow, the production line is kept going 24 hours per day

38
Q

What does CAD stand for?

A

Computer Aided Design

39
Q

How can ICT be used in design?

A

Drawings, graphics and diagrams can be produced and edited using graphics software

40
Q

What are parallel lines which extend out from two points on the drawing called?

A

Extension lines

41
Q

What is market research?

A

Market research is asking people about what sort of products they want

42
Q

What is meant by a moral issue?

A

Any adverse impact the product might have on other people

43
Q

When consumer ideas are produced in response to market forces, this is called…

A

Consumer pull

44
Q

When products are re-designed because of changes in materials or manufacturing methods, this is called…

A

Technology push

45
Q

At which stage in a product lifecycle do sales, and profits, start to fall?

A

Decline

46
Q

How many stages are there in a products lifecycle?

A

4

47
Q

What is a formal rule adopted by parliament?

A

A law

48
Q

What symbol shows the product has been made to British standards?

A

BSI Kite Mark

49
Q

Why are softwoods cheaper than hardwoods?

A

Grow quicker

DTE GCSE (10 decks)

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