Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 782 · 40 questions

Engineer's tip (Find the topic, use the idea): Find the topic: design process, force, machine, lever, structure, material, bridge or scale. Use that lesson’s rule — what is in the middle, load × distance = effort × distance, work = force × distance, real = drawing × scale. Write the calculation before you answer.

1. 1.Which of these is caused by friction? (a) shoes grip the floor (b) a compass needle turns (c) lifting a school bag (d) an apple falls down
2. 2.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
3. 3.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
4. 4.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
5. 5.🔍 Which is the odd one out? (a) a wheel on ball bearings (b) skating on ice (c) oil on a squeaky hinge (d) sand on a slippery path
6. 6.True or false: an aerospace engineer builds rockets. (a) True (b) False
7. 7.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
8. 8.💪 A bag has a mass of 47 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
9. 9.⚖️ On a seesaw, a heavier child should sit … (a) closer to the pivot (b) on the pivot (c) anywhere (d) farther from the pivot
10. 10.True or false: to tighten a nut, use a hand drill. (a) True (b) False
11. 11.⚖️ A seesaw balances. Zoya (480 N) sits 4 m from the pivot on one side; Kabir (640 N) sits ? m from the pivot on the other side. What is the missing distance in metres?
12. 12.💪 A box weighs 200 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
13. 13.🔧 Which tool would you use to smooth a rough edge? (a) a protractor (b) a hammer (c) a saw (d) sandpaper
14. 14.True or false: a bridge helps people store water for summer. (a) False (b) True
15. 15.True or false: a rough doormat gives more friction. (a) True (b) False
16. 16.🤝 A team of 2 shares 12 equal jobs fairly. Each job takes 6 minutes. How many minutes does each person work?
17. 17.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
18. 18.🛞 More or less friction: a smooth steel slide? (a) more friction (b) less friction
19. 19.🔢 To build and test a straw bridge, which is the LAST step? (a) strengthen the weak part (b) sketch three ideas (c) read the challenge rules (d) choose and draw one
20. 20.🏋️ Work is done when a force moves something … (a) only upwards (b) through a distance (c) without moving it (d) very slowly
21. 21.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) transparent (d) heat insulator
22. 22.🏋️ Can a simple machine reduce the work done? (a) only on Mondays (b) yes, by half (c) yes, always (d) no, work stays the same
23. 23.True or false: to make it better, retest is the Improve step. (a) True (b) False
24. 24.🔺 A beam bends under a load. Its top side is … (a) floating (b) not affected (c) squeezed (compression) (d) stretched (tension)
25. 25.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
26. 26.🧑‍🔧 Which kind of engineer refines crude oil? (a) chemical (b) biomedical (c) computer (d) aerospace
27. 27.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
28. 28.True or false: a chisel is an inclined plane. (a) True (b) False
29. 29.True or false: to dream up possible fixes is the Imagine step. (a) False (b) True
30. 30.🛞 More or less friction: oil on a squeaky hinge? (a) more friction (b) less friction
31. 31.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
32. 32.🤝 A team of 2 shares 10 equal jobs fairly. Each job takes 4 minutes. How many minutes does each person work?
33. 33.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: ice 2 N, a glass sheet 4 N, a wooden plank 5 N, sandpaper 9 N. Which surface gave the most friction? (a) ice (b) a wooden plank (c) sandpaper (d) a glass sheet
34. 34.Which of these is a suspension bridge? (a) good for short gaps (b) a log across a stream (c) a curve under the deck (d) tall towers hold cables
35. 35.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
36. 36.True or false: to do all the work alone is poor teamwork. (a) True (b) False
37. 37.🤝 How do engineers share a design with others? (a) no drawings at all (b) secret notes (c) only talking fast (d) clear labelled sketches
38. 38.🔄 Which design-process step is it to ask who will use it? (a) Plan (b) Improve (c) Ask (d) Imagine
39. 39.Which of these is a screw? (a) a well-bucket rope wheel (b) a wood screw (c) a chisel (d) a door stopper
40. 40.⚙️ How many simple machines are there in the usual list? (a) 12 (b) 6 (c) 10 (d) 3

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