Section A Flashcards

(45 cards)

1
Q

what is automation

A

where machines are used to automate the manufacturing process

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2
Q

pros and cons of automation

A

pros - don’t need breaks, can be in hazardous situations
cons - costly, need to be programmed

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3
Q

pros and cons of robotics

A

pros - fast and efficient
cons - costly, need to be programmed

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4
Q

what is CAD

A

computer aided design, where computers and software is used to design things

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5
Q

pros and cons of CAD

A

pros - quick edits and prototypes
cons - have to learn software, can’t physically touch it

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6
Q

what is CAM

A

computer aided manufacture, a machine that makes something

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7
Q

pros and cons of CAM

A

pros - can mass produce stuff, high level of accuracy
cons - expensive, requires maintenance

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8
Q

what is rapid prototyping

A

uses CAM to create scale models to prototype quickly

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9
Q

pros and cons of rapid prototyping

A

pros - don’t have to hand make prototypes, high level of accuracy
cons - costs a lot

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10
Q

what is lean manufacturing

A

minimising wasted time and resources

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11
Q

what is a cooperative business

A

a business run by its members

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12
Q

pros and cons of cooperative business

A

pros - multiple opinions
cons - voting takes time, people don’t agree

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13
Q

what is a fairtrade group

A

work to help people in poverty by buying things at a fair price

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14
Q

pros and cons of fairtrade

A

pros - better for workers
cons - costs more

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15
Q

what is a crowd-funded business

A

raising money through people donating to get the business started

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16
Q

pros and cons of crown-funding

A

pros - get money so start the business, raises awareness of the business
cons - relies on other people, have do give funders benefits

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17
Q

pros and cons of virtual marketing

A

pros - more people will see it, don’t have to print
cons - unreliable, more expensive

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18
Q

what is sustainability

A

only using things in a way that doesn’t make resources run out for future generations

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19
Q

what is a lifecycle assessment

A

evaluate the impact of a product on the environment from getting raw materials to disposing

20
Q

what is market pull vs technology push

A

market pull is where people want something so companies make it, technology push is where new technologies are used in products despite there being no market pull for them

21
Q

what is responsible design

A

designing with the environment and any possible user in mind

22
Q

what is a renewable vs non renewable resource

A

renewable means it is infinite/ replenishes faster than we consume it

23
Q

what is a flexible manufacturing system

A

a system that can manufacture anything, not just one product (similar to PC vs embedded computer)

24
Q

what is just in time manufacturing

A

only order materials when you need them, minimises storage space

25
what is a smart material
a material that changes depending on external stimuli
26
what is a modern material
a material that has only been discovered recently
27
what are technical textiles
textiles with enhanced properties
28
what are composite materials
materials that are made up of two or more other materials
29
what are the 4 types of movement
linear - forward rotary - around a point reciprocating - back and forth oscillating - pendulum swinging
30
how does a lever work
a rigid bar that pivots on a fulcrum to decrease force needed to lift a load
31
what is a linkage
a mechanism made by connecting rigid parts to change the direction of a force
32
what is a gear train
multiple gears joined together to change the direction/speed of a rotary force, the higher the teeth ratio, the faster the output
33
what is a pulley
things connected you know what a pulley is but the more ropes there are the bigger the mechanical advantage is
34
what is a belt and pulley system
two wheels connected with a pulley, the bigger the diameter ratio, the faster the second one goes
35
what is thermal conductivity
the ability to conduct heat
36
what is fusibility
the ability to attach to other materials when heated then cooled
37
what is electrical conductivity
the ability to conduct electricity
38
what is density
how solid a material is
39
what is absorbancy
the ability to soak up moisture, light or heat
40
what is elasticity
the ability to be stretched and return to the original shape
41
what is malleability
the ability to be bent
42
what is ductility
the ability to be stretched
43
what is toughness
hard to break or snap
44
what is strength
the ability to withstand compression, tension and shear
45
what is hardness
the ability to withstand impact without damage