Mark scheme things

Question 1

Jigs and templates…

Answer 1

• A jig can hold in place the part being operated on, and can hold in the correct orientation
• A template can mark holes for drilling
• Bending jig for shaping material and cutting jug for cutting material

Question 2

How to calculate no. of design combinations…

Answer 2

• Multiply all designs

Question 3

devices that can be used to ensure
components conform to acceptable tolerances.

Answer 3

• go/no gauge devices
• vernier calliper
• micrometer
• weighing scales etc

Question 4

QC checks for a carbonated drink bottle so it can be filled and sealed correctly…

Answer 4

• Bottle should have enough volume for the drink (volume check)
• (Neck diameter check) Check whether lid will fit and a seal should be used to prevent CO2 leakage
• (Polymer thickness check) To check whether polymer can withstand pressures of carbonated drinks
• (Height check) To check whether bottle is too tall or short for production line

Question 5

Define ‘ergonomics’

Answer 5

Data that considers the interaction of humans with products and the environment.

Question 6

Define ‘anthropometrics’

Answer 6

• Measurement of human sizes

Question 7

State one way that a product with good ergonomics can benefit the product user.

Answer 7

• Lack of discomfort for the user
• Ability to use for a long period of time