Section 4

Question 1

What is a static load?

What is a dynamic load?

Answer 1

Static - load that does not move e.g. book on a table

Dynamic - load that moves e.g. book dropped onto table

Question 2

Tension?

Answer 2

pulling force applied either side of a material

Question 3

Compression?

Answer 3

pushing force on either end of a material, causing it to become compacted

Question 4

Torsion?

Answer 4

twisting force. two ends of the material rotate in opposite directions

Question 5

Bending?

Answer 5

force applied to material either side of a fixed position

Question 6

Shear?

Answer 6

force acts on an object perpendicular to length

Question 7

What is reinforcing?

Answer 7

A way if strengthening a material by adding material to improve its ability to withstand force and stress

Question 8

What is webbing?

Answer 8

strong fabric woven into strips from yarns.

Question 9

What is laminating?

Answer 9

bonding two or more materials to improve strength, stability, functionality, and flexibility

Question 10

What is fabric interfacing?

Answer 10

used in textiles to reinforce specific areas to make them more rigid

Question 11

Two types of fabric interfacing?

Answer 11

Fusible and sew-in

Question 12

What is folding and bending?

Answer 12

reshaping a material to improve its properties.

Question 13

What is carbon footprint?

Answer 13

amount of CO2 produced during a process

Question 14

What is ecological footprint?

Answer 14

measures the impact of a person’s life on the environment

Question 15

What is social footprint?

Answer 15

measure of the impact a company’s social policies have on its employees/partners/society as a whole

Question 16

What is desertification?

Answer 16

When land dries out and is no longer able to support vegetation

Question 17

Underground mining?

Answer 17

less visual impact, but dangerous for miners and can lead to sinkholes

Question 18

Surface mining?

Answer 18

more visual impact, creates loss of habitat

Question 19

What are the 6 R’s in order of their impact on the environment? (Least impact to most impact)

Answer 19

Refuse - Rethink - Reduce - Reuse - Repair - Recycle

Question 20

Refuse?

Answer 20

Asking whether the product is necessary

Question 21

Rethink?

Answer 21

Redesigning a product to have a lesser impact on the environment

Question 22

Reduce?

Answer 22

Often the result of rethink. Making products lighter + stronger, reducing complexity / number of parts, making parts easier to recycle.

Question 23

Reuse?

Answer 23

Primary recycling: reusing a product for the same purpose

Secondary recycling: reusing a product for a different purpose

Question 24

Repair?

Answer 24

extends a product’s life instead of replacing it.

repairing has become harder over the years as many products now require specialist tools and knowledge to repair.

Question 25

Recycle?

Answer 25

Tertiary recycling: materials recycled this way are much lower quality than the original. the material is reprocessed

Question 26

Planned obsolescence?

Answer 26

A company that builds a product to last only for a sort time so the consumer is forced to by the latest version

Question 27

One off production?

Answer 27

Bespoke items for individual clients, cannot be bought off the shelf. High unit cost, low set up cost, flexible, little to no automation, pretty much fully hand crafted

Question 28

Batch production?

Answer 28

when a certai number of products is required. they will be produced together. more automation than one off. templates/jigs/patterns are used to save time and ensure all products are identical

Question 29

Mass production?

Answer 29

for items that are in constant use and design of the item does not change. uses a dedicated production line, lots of automation and little skilled workers. high volume of goods produced

Question 30

Continuous production?

Answer 30

similar to mass production? but products tend to be made to create stock. operates 27/7/365, low skilled staff who operate in shifts.