Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 520 · 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 kind of engineer designs bicycle gears? (a) mechanical (b) chemical (c) electrical (d) civil
2. 2.🪢 Tension is a force that … (a) pushes or squeezes (b) heats things (c) turns things (d) pulls or stretches
3. 3.🔍 Which is the odd one out? (a) sand on a slippery path (b) a grippy rubber sole (c) a tyre with deep treads (d) a smooth steel slide
4. 4.True or false: a mechanical engineer designs knee implants. (a) True (b) False
5. 5.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
6. 6.🧪 Three prototype bridges were tested with the same method. Design A held 220 g, design B held 120 g and design C held 170 g. Which design was the weakest? (a) design A (b) design C (c) design B
7. 7.🌉 Which bridge type can cross the widest gap in one span? (a) log bridge (b) beam bridge (c) suspension bridge (d) arch bridge
8. 8.True or false: to measure an angle, use a spirit level. (a) False (b) True
9. 9.💪 Two children push a box to the right, one with 50 N and the other with 15 N. What is the net (total) force on the box, in newtons?
10. 10.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
11. 11.Which job does a chemical engineer do? (a) keeps data safe online (b) plans a dam (c) designs power lines (d) refines crude oil
12. 12.True or false: to brainstorm many ideas is the Imagine step. (a) True (b) False
13. 13.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
14. 14.🏋️ Can a simple machine reduce the work done? (a) no, work stays the same (b) only on Mondays (c) yes, always (d) yes, by half
15. 15.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
17. 17.True or false: having a wide base makes a building less safe in earthquakes. (a) False (b) True
18. 18.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
20. 20.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
21. 21.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) big things fit on paper (d) to save ink only
22. 22.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
23. 23.Which of these happens in the Imagine step? (a) define the problem (b) try it out (c) draw a labelled diagram (d) brainstorm many ideas
24. 24.🪝 A winch has a wheel of radius 5 cm and an axle of radius 1 cm. What effort on the wheel lifts a 900 N bucket on the axle, in newtons? (ideal)
25. 25.🔺 A frame shaped like a hexagon is made of straws joined by loose pins, with 0 corner-to-corner braces. Is it rigid or wobbly? (a) rigid (b) wobbly
26. 26.⚙️ Which simple machine is a jar lid? (a) wedge (b) lever (c) screw (d) wheel and axle
27. 27.🛠️ What does an engineer mainly do? (a) designs useful solutions (b) only paints pictures (c) grows crops (d) sells tickets
28. 28.Which of these uses triangles? (a) a crane arm (b) a planetarium roof (c) an igloo (d) a plank over a drain
29. 29.🤝 Is it good or poor teamwork to help a stuck teammate? (a) poor teamwork (b) good teamwork
30. 30.🛞 Is friction helpful or a problem here: shoe soles wearing out? (a) helpful (b) a problem
31. 31.Which of these needs a transparent material? (a) the core of a wire (b) an umbrella cover (c) a cooking pot handle (d) a window pane
32. 32.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) civil (b) computer (c) aerospace (d) chemical
33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
34. 34.True or false: to make a hole in wood, use pliers. (a) True (b) False
35. 35.⚖️ On a seesaw, a heavier child should sit … (a) closer to the pivot (b) farther from the pivot (c) anywhere (d) on the pivot
36. 36.Which of these is found in nature? (a) a water filter (b) a bicycle (c) a mountain (d) a ceiling fan
37. 37.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
38. 38.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
39. 39.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) iron (d) plastic
40. 40.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) civil (b) chemical (c) computer (d) biomedical

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