Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 831 · 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.⚖️ A lever bar balances. The load is 160 N at 20 cm from the fulcrum. The effort is 160 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
2. 2.⚙️ How many simple machines are there in the usual list? (a) 10 (b) 3 (c) 6 (d) 12
3. 3.🤝 In a design team, who keeps the team on track? (a) tester (b) materials manager (c) recorder (d) team leader
4. 4.Which of these is reduce (use less)? (a) pulp old paper (b) carry a cloth bag (c) refill a water bottle (d) give old books away
5. 5.🪝 A wheel and axle is a big wheel fixed to … (a) a sharp wedge (b) a smaller rod (axle) (c) a loose rope (d) a flat ramp
6. 6.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) reuse, recycle, reduce (c) recycle, reuse, reduce (d) reduce, reuse, recycle
7. 7.🪝 A bucket weighing 90 N is lifted with a single fixed pulley at the top of a well. What effort is needed, in newtons? (ideal pulley, no friction)
8. 8.🏋️ A force of 120 N pushes a cart 2 m along the floor. How much work is done, in joules?
9. 9.True or false: a road up a hill is a pulley. (a) False (b) True
10. 10.🦺 In the workshop, is it safe to use a cracked tool? (a) safe (b) not safe
11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
12. 12.🤝 A team of 4 shares 24 equal jobs fairly. Each job takes 5 minutes. How many minutes does each person work?
13. 13.🛞 Friction acts … (a) only on ice (b) only upwards (c) against the motion (d) with the motion
14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
15. 15.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 1000 (d) 10
16. 16.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
18. 18.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) aluminium (d) iron
19. 19.🔍 Which is the odd one out? (a) having a wide base (b) using flexible joints (c) leaving out steel bars (d) adding steel to concrete
20. 20.True or false: an aerospace engineer designs satellites. (a) False (b) True
21. 21.True or false: a fixed pulley is on a flagpole top. (a) False (b) True
22. 22.🧪 Why repeat a test three times? (a) to get reliable results (b) the first is wrong (c) to use more paper (d) it looks busy
23. 23.🔢 To follow the engineering design process, which is the LAST step? (a) Create (b) Improve (c) Ask (d) Imagine
24. 24.🛞 Is friction helpful or a problem here: shoe soles wearing out? (a) helpful (b) a problem
25. 25.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a carpet 6 N, sandpaper 8 N, ice 1 N, a wooden plank 4 N. Which surface gave the most friction? (a) a wooden plank (b) a carpet (c) ice (d) sandpaper
26. 26.🔍 Which is the odd one out? (a) a table leg (b) a tent guy rope (c) a crane lifting cable (d) a swing chain
27. 27.🦺 Who should use hot glue guns and power tools in a kids’ project? (a) a stranger (b) the youngest child (c) an adult (d) any child alone
28. 28.⚖️ A lever bar balances. The load is 300 N at 40 cm from the fulcrum. The effort is 400 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
29. 29.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
30. 30.♻️ A project report has 18 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
31. 31.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
32. 32.Which of these is a lever? (a) a seesaw (b) a wheelchair ramp (c) a wood screw (d) a nut and bolt
33. 33.🤝 In a design team, who writes down results? (a) materials manager (b) builder (c) recorder (d) tester
34. 34.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
35. 35.💪 Which can a force NOT do? (a) change its colour (b) change its shape (c) start it moving (d) stop it moving
36. 36.🛠️ What does an engineer mainly do? (a) only paints pictures (b) sells tickets (c) grows crops (d) designs useful solutions
37. 37.🏋️ Pushing a crate 5 m took 650 J of work. What force was used, in newtons?
38. 38.Which of these uses an arch? (a) a crane arm (b) a curved stone doorway (c) a slab over a canal (d) a plank over a drain
39. 39.🪝 A winch has a wheel of radius 16 cm and an axle of radius 2 cm. What effort on the wheel lifts a 640 N bucket on the axle, in newtons? (ideal)
40. 40.🔄 Is the engineering design process done only once? (a) no, it repeats (b) only for big jobs (c) only on Sundays (d) yes, only once

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