unit 1 Flashcards

1
Q

why are automated production lines better x5

A

faster, more accurately, fewer employees, efficiency, cheaper

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2
Q

virtual modelling

A

CAD - computer aided design
CAT - computer aided testing
no physical models have to be made, saves time and money

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3
Q

3D printing pros and cons

A

organs can be made
guns can be made

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4
Q

life cycle assessment includes:

A

extraction of raw materials
manufacture and assembly
transportation
use
disposal

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5
Q

how could the designer change for a life cycle assessment

A

alternative materials
local materials or relocating factories to reduce transport
reducing parts
alternative energy sources
using recycled materials

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6
Q

kaizen

A

continuous improvement - seeks to always improve procedures

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7
Q

how do plastics influence the environment

A

plastic microbeads in exfoliating scrubs and toothpaste
go into water pipes, sea absorbs toxins
fish in sea eat others and toxins enter food chain
we eat the fish and toxins

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8
Q

technology push

A

where new tech is invented and designed to entice buyers.
eg touch screen, face and finger id

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9
Q

market pull

A

where consumers want a new product so it is then produced
eg front facing cameras, paper bags

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10
Q

waste disposal examples

A

incineration -> CO2
landfill -> leaching chemicals
dumping in sea -> sealife harmed
recycling -> uses energy + emissions

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11
Q

why is cad good

A

quicker
easier
accurate
easy to share

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12
Q

why is cad bad

A

work can be lost
takes time to learn
replace human jobs
cost of tech
hacked possibility

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13
Q

FMS

A

flexible manufacturing system
where there is flexibility around adaptation to changes in the product
you can stop manufacturing whenever

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14
Q

JIT

A

just in time
inventory management system where goods are received when they are needed
eliminates waste, less holding costs, can adapt to changes quick
no margin for error, unable to meet unexpected orders, delays are costly, lots of delivery = emissions

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15
Q

what is fracking

A

drilling into layers of shale rock deep in the earth to release pockets of gas

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16
Q

renewable energy generation examples

A

solar energy - light hits photovoltaic cells which make elctrons flow, making a current
tidal energy - water flows thru turbines which drives generators
biofuels - burning organic matters to push turbine
nuclear - fission turns turbines
hydroelectric - falling water pushes turbines

17
Q

stored (potential) energy

A

chemical
mechanical
nuclear
gravitational

18
Q

kinetic energy

A

movement
electricity
heat
sound
light