unit 1

Question 1

what is the 5 types of stresses

Answer 1

Tension,Compression,Torsion,Bending,Shear

Question 2

Tension

Answer 2

a pulling force applied to either end o a object

Question 3

Tensile Strength

Answer 3

Ability to resist being pulled apart

Question 4

Compression

Answer 4

When either end of a object is pushed together

Question 5

Compresive strength

Answer 5

The ability to resist being pushed together

Question 6

Torsion

Answer 6

When a material is being twisted

Question 7

Torsional Strength

Answer 7

ability to resist being twisted out of shape

Question 8

Bending

Answer 8

results in compression and tension

Question 9

Stiffness

Answer 9

ability to resist bending

Question 10

shear

Answer 10

when aa force acts perpendicular to the object

Question 11

Reinforcing

Answer 11

way of strengthening a material by adding material to it

Question 12

what are the 5 types of reinforcing

Answer 12

Folding,Bending,Webbing,Lamination,Fabric interfacing

Question 13

Webbing

Answer 13

strong fabric woven into strips from yarns from a synthetic material

Question 14

Laminating

Answer 14

Bonding 2 or more products to improve product strength

Question 15

Fabric interfacing

Answer 15

an additional layer in fabric where extra support is needed

Question 16

carbon footprint

Answer 16

The amount of carbon emitted in a product

Question 17

ecological footprint

Answer 17

measures the impact of a persons life on the natural environment

Question 18

social footpront

Answer 18

a measure of the impact that a companies policies have on its employees

Question 19

Health and safety executive

Answer 19

Organisation which looks after the welfare of employees

Question 20

Fairtrade

Answer 20

a organization which gives farmers a fair price for their products or services

Question 21

finite

Answer 21

limited amount

Question 22

non-finite

Answer 22

unlimited amount

Question 23

Deforistation

Answer 23

decrease in forest area which are lost and used for other purposes

Question 24

what are the 2 types of mining

Answer 24

underground, surface

Question 25

negative effects of mining

Answer 25

soil erosion , sinkholes , air pollution , water contamination

Question 26

drilling

Answer 26

used to tap into natural gas and oil

Question 27

what percent of emissions come from farming

Answer 27

15% most from livestock

Question 28

product miles

Answer 28

the length a product has travelled to get to the consumer

Question 29

how do local products reduce co2

Answer 29

they reduce product miles so in turn it reduces co2

Question 30

Oceanic polution

Answer 30

a complex mixture of toxic metals and plastics

Question 31

Atmospheric pollution

Answer 31

the presence of undesirable materials in the air. large enough quantities can harm us

Question 32

Primary Recycling

Answer 32

Secondhand use of a product without changing or altering the product

Question 33

Secondary Recycling

Answer 33

mechanically cutting/altering the product in some way to use it in another way

Question 34

Refuse

Answer 34

to deny using a product because it isnt sustainable

Question 35

what are the 6 R's

Answer 35

Recycle, Repair, Reuse, Reduce ,Rethink ,Refuse

Question 36

Rethink

Answer 36

to rethink what product you want to buy and to choose a more sustainable one instead

Question 37

Reduce

Answer 37

Reducing the amount of waste you produce

Question 38

Reuse

Answer 38

reusing a product multiple times for the same purpose

Question 39

Repair

Answer 39

repair a product when its broken or worn extending its life

Question 40

Tertiary Recycling

Answer 40

Completely breaking down a product into molecules using a chemical process and then turning it into a completely new product

Question 41

job production

Answer 41

where items are made individually and each item is finished before the next one is started

Question 42

Batch production

Answer 42

where groups of items are made together. Each batch is finished before starting the next block of goods

Question 43

pros/cons of job production

Answer 43

pros: made to spec, high quality cons: expensive, labour intensive

Question 44

pros/cons of batch production

Answer 44

pros: flexible cons: many small batches could be expensive additional costs

Question 45

continuous flow production

Answer 45

Continuous production is very similar to mass production although the products tend to be made to create stock or standard material forms (primary processing) before final processing or assembling elsewhere.

Question 46

pros/cons continuous flow production

Answer 46

pros: large volume of products employees can specialize in tasks cons: high initial cost lack of flexibility bored employees

Question 47

mass production

Answer 47

keeps making common products 24/7 and is automated by robots

Question 48

pros/cons mass production

Answer 48

pros: cheap in long term efficient cons: high initial cost no flexibility