Question 11 mark
A factory uses just in time (JIT) production. Which is a benefit of JIT?
Question 21 mark
The igniter on a gas barbecue makes a spark when its button is pressed hard, with no battery. Which material makes this work?
Question 31 mark
A security light turns on when a person walks past at night. Which sensor detects the person?
Question 41 mark
A motor turns a 15-tooth driver gear at 1200 rpm. It meshes with a 45-tooth driven gear. How fast does the driven gear turn?
Question 51 mark
Balsa is very soft and light. Which group of timbers does it belong to?
Question 61 mark
Why is stainless steel used for cutlery and sinks?
Question 71 mark
Why can a thermosetting polymer not be softened and reshaped once it has set?
Question 81 mark
A sheet of aluminium is hammered into a shallow bowl without cracking. Which working property does this show?
Question 91 mark
Why is corrugated board much stiffer than a flat sheet made from the same amount of card?
Question 101 mark
What does a life cycle assessment (LCA) of a product measure?
Question 111 mark
Which product is most likely made by continuous production?
Question 121 mark
Which of these finishes is applied mainly for function rather than appearance?
Question 131 mark
A designer sets the height of a shed door so that almost every adult can walk through without ducking. Which data should the height be based on?
Question 141 mark
In a third angle orthographic drawing, where is the plan view placed?
Question 151 mark
A phone case costs £12 to make and sells for £18. What is the profit as a percentage of the cost?