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DESIGN + TECHNOLOGY > Section A > Flashcards

Section A Flashcards

1
Q

What are 3 types of paper?

A

Cartridge paper, tracing paper, grid paper

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2
Q

What are 2 types or board which are card?

A

Corrugated card, inkjet card

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3
Q

What is a ferrous metal?

A

Any metal that contains iron, favoured for tensile strength and durability

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4
Q

What is an alloy?

A

A substance formed from a combination of 2 or more metals

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5
Q

What is a non-ferrous metal?

A

Metal that isn’t iron-based, they can oxidise, oxide layer is known as patina

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6
Q

Name 2 alloy materials?

A

Brass, stainless steel

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7
Q

Name 2 ferrous and non-ferrous materials?

A

Caster iron + steel, copper + aluminium

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8
Q

Name 2 naturally occurring plastics?

A

Rubber, amber

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9
Q

Where do plastics come from?

A

Come from polymers, gas + coal + oil

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10
Q

What is the difference between thermosetting and thermoforming polymers?

A

Thermoforming polymers can be reheated over and over again whereas thermosetting polymers are fixed shape?

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11
Q

Name two thermosetting polymers?

A

Epoxy resin and polyester resin

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12
Q

Name two thermoforming polymers?

A

Acrylic and Polypropylene

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13
Q

What are natural fibres?

A

Fibres that can be spun together to create yarn

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14
Q

What are synthetic fibres?

A

Man-made fibres

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15
Q

What does knitted mean?

A

Interlocking yarn loops

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16
Q

Name three textiles?

A

Wool, silk and cotton

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17
Q

Where do hardwoods come from?

A

Deciduous trees, takes longer to grow

18
Q

Name 2 hardwoods?

A

Mahogany, ash

19
Q

What is a softwood?

A

Stay evergreen all year round, faster growing making them cheaper than hardwoods

20
Q

Define manufactured board?

A

Usually made from timber waste and adhesive, often veneered to make more aesthetically pleasing

21
Q

Name 2 softwoods and manufactured board?

A

Pine, spruce, MDF, plywood

22
Q

Define finite (non-renewable)?

A

Resources that are not sustainable, imbalanced rate of use and replacement

23
Q

Define non-finite (renewable)?

A

Resources that will not run out at a healthy rate of use and replacement

24
Q

What is nucleur energy?

A

Comes from the energy that is stored in the centre of the atom (the nucleus), It is a finite energy source

25
Q

Is tidal energy a renewable energy source?

A

Yes, energy formed from the tide and further stored

26
Q

What is an alkaline battery?

A

Higher capacity than traditional sizes, less space used up to produce same amount of power, making them more efficient

27
Q

Why are rechargeable batteries better for the environment?

A

They can be re-used, no waste from re-buying standard ‘alkaline batteries’

28
Q

Is flexible MDF a modern material?

A

Yes, has the addition of grooves allowing the board to become flexible whilst also retaining high quality standards.

29
Q

What is flexible MDF used for?

A

Furniture, cabinetry, flooring, speaker boxes

30
Q

Name 2 benefits in flexible MDF?

A

Environmentally friendly which is a unique buying point in the wood industry. Is a high-density material resulting in smooth cut edges

31
Q

Name 2 smart materials?

A

Litmus paper, photocromic

32
Q

What is photocromics stimulus?

A

The sun (heat)

33
Q

What is a mechanical device?

A

A device that can change one form force to another

34
Q

Name 2 motion types?

A

Reciprocating, oscillating

35
Q

Define a lever?

A

Consists of a ridged bar that pivots or rotates about a fulcrum with a load applied

36
Q

What are the threes stages of a mechanical device?

A

Load, Fulcrum, Effort

37
Q

What is a linkage?

A

A linkage is a mechanism made by connecting ridged parts

38
Q

What is planned obsolescence?

A

The practise of designing products that will break through and encourage sales of new products and upgrades e.g shopping bags and water bottles

39
Q

Define Design for maintenance?

A

The integrating of operations and maintenance considerations used in project planning e.g lightbulbs

40
Q

What is design for disassembly?

A

Definitive method to enable a circular economy, reusable cycle of original components to form another product

DESIGN + TECHNOLOGY (3 decks)

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