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(50 cards)

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1
Q

What’s the Process to make Paper

A

Pulping

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2
Q

What is pulping

A

Boiling up the wood to make pulp

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3
Q

What is the wood pulp called

A

Cellulose Fibres

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4
Q

What Is pulping

A

Turning a raw materials into a useable product

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5
Q

What are 2 ways you can make wood into wood pulp

A

By machine
By Chemicals

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6
Q

What is Mechanical Pulp

A

Cheapest way to produce wood pulp
Low Quality
Used for newspapers
Does not remove Lignin (turns yellow over time

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7
Q

What is chemical pulp

A

Uses less energy
Are dissolved in a chemical by heat and pressure
Removes Lignin

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8
Q

What happens once you have wood pulp

A

It’s bleached and fed into a FOURDRINIER machine

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9
Q

What is Composites

A

A product made from more than one material

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10
Q

What is offset lithography

A

Most commonly used product in the printing industry

The image is transferred onto a flat printing plate

Great for printing more than 1000 copies or more

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11
Q

What is MDF

A

Smooth even finish,easily machined,painted,stained,water/fire resistant forms available

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12
Q

What is Plywood

A

Very strong board

Constructed of layers of veneer glued 90 degrees to each other

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13
Q

What is Block board

A

Similar to plywood but central layer made from strips of timber

Used in heaven structure

E.G shelving and worktops

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14
Q

What is malleable

A

Being able to bend without breaking

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15
Q

What is ductility

A

Being able to be stretched without breaking

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16
Q

What is Elasticity

A

To return to its original condition after being stretched

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17
Q

What is Linear motion

A

Moving one way in a straight line

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18
Q

Reciprocating motion

A

Moving backwards and forwards in a straight line

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19
Q

What is Oscillating motion

A

Moving backwards and forwards in one arc

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20
Q

What is Rotary motion

A

Moving in a circle

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21
Q

What are gears

Study These Flashcards
A

Used to change the direction of motion

Or change the magnitude (size) of the input force

22
Q

Using a Third gear is called

Study These Flashcards
A

Idler gear makes both turn in same direction

23
Q

What are smart materials

Study These Flashcards
A

They change their properties when their environment changed

24
Q

What are Shape Memory Alloys

Study These Flashcards
A

Metal alloys with memory properties

They return to original condition through heating

Nitinol is an SMA

25
What is Thermochromic Pigments
Change colour when there’s a change in temperature
26
What is Photochromic Pigments
Change colour depending on light levels
27
What are the 6rs
Rethink Refuse Repair Reduce Recycle Reuse
28
What is Renewable Energy
Non finite Energy that can be replenished
29
Wind energy
Wind turbines energy convert into electricity Pros:No greenhouse gas.Once set up energy is cheap Cons:Setup cost are high.Turbines are unreliable and unsightly and cause noise pollution
30
Solar energy
Convert sun energy into electricity Pros:No greenhouse gases.Once set up energy is cheap Cons:No electricity is available in no sunlight.Very expensive
31
Tidal
Turbines convert energy from tides and water currents Into electricity Pros:Always predictable and produce no greenhouse gas Cons:Costly and can disrupt ecosystems
32
Hydro electric
As trapped water is released from dams its kinetic energy is released into electricity Pros:Once set up HE is cheap.Provides resources during water shortages Cons:Set up cost are high.When they are built habitats are destroyed
33
Biomass
Organic material such as animal waste or crops are burned for energy or processed into biofuel Pros:Very affordable and renewable if resources we replaced Cons:Burning biomass released Co2.Using wolf can lead to deforestation
34
What are fossil fuels
Are non renewable natural resources formed from the remains of organisms
35
Pros of fossil fuels
Generates large amount of energy Provides a reliable supply of energy
36
Cons of fossil fuels
Releases greenhouse gases which cause pollution and contribute to global warming Will eventually run out
37
What is Built-in obsolescence
Products that are not built to past E.g disposable razors
38
Why is built in obsolescence bad for the environment
More materials and energy are used to make replacement product.
39
What is Fair Trade
Ensuring that farmers in low income countries get a fair price to their product
40
What is Cooperative
A business that is owned and run by its workers or members.
41
What is Crowdfunding
Enabling individuals or businesses to promote an idea on a platform,such as a website,to a large audience.People can then choose to invest money in projects they like
42
What is Virtual marketing and retailing
The increased use of advertising online such as social media adverts and pay-per-click advertising
43
What is JIT production
When products arrive when needed
44
Pros Of JIT
Saves space No need to pay for storage-money Stock is less likely to go out of date
45
Cons of JIT
Delivery could be late Could deliver wrong part Increased transport costs
46
What is quality control
Checks quality of the product.Mostly done at every stage. Involves testing materials products or components against the manufacturing.
47
What is Tolerance
The required accuracy of a measurement
48
What is a reference point
Spoilt where all measurements are taken
49
What are the rules of one point perspective
Draw the front face of the object first Vertical edges are shown as vertical lines Horizontal edges are shown as horizontal lines All other lines go to the vanishing point on the horizon
50
What are exploded diagrams used for
To show how parts of a product fit together

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