Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 415 · 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.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
2. 2.What does the builder do? (a) cuts and joins parts (b) keeps the team on track (c) shares out the jobs (d) keeps the design notes
3. 3.True or false: a civil engineer plans a dam. (a) False (b) True
4. 4.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
5. 5.♻️ Reduce, reuse or recycle: use a jar as a pen stand? (a) reuse (b) recycle (c) reduce
6. 6.📐 A beam is 160 cm long. How long is it in metres? =
7. 7.Which of these happens in the Imagine step? (a) ask who will use it (b) dream up possible fixes (c) make a prototype (d) make it better, retest
8. 8.True or false: “a curve under the deck” is an arch bridge. (a) True (b) False
9. 9.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
10. 10.True or false: to cut a wooden plank, use a saw. (a) False (b) True
11. 11.What does the team leader do? (a) runs the tests (b) keeps the team on track (c) keeps the design notes (d) writes down results
12. 12.🔢 To follow the engineering design process, which is the FIRST step? (a) Create (b) Ask (c) Improve (d) Plan
13. 13.🧑‍🔧 Which kind of engineer designs knee implants? (a) electrical (b) computer (c) mechanical (d) biomedical
14. 14.📋 A constraint is … (a) a limit you must keep to (b) a final test (c) a goal for success (d) a kind of glue
15. 15.⚖️ On a seesaw, a heavier child should sit … (a) anywhere (b) closer to the pivot (c) farther from the pivot (d) on the pivot
16. 16.🔺 One side of a straw bridge is a row of 10 triangles standing point-up and point-down in turn, each sharing a side with the next. How many straws does it use?
17. 17.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to hide sizes (d) to save ink only
18. 18.🪢 Tension or compression: a squeezed spring? (a) compression (b) tension
19. 19.True or false: to skip writing results is good testing. (a) False (b) True
20. 20.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
21. 21.True or false: diesel is a non-renewable energy source. (a) False (b) True
22. 22.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
23. 23.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
24. 24.⚖️ A lever bar balances. The load is ? N at 20 cm from the fulcrum. The effort is 80 N at 60 cm from the fulcrum on the other side. What is the missing force in newtons?
25. 25.Which of these happens in the Ask step? (a) pick the build order (b) build the model (c) think of wild ideas (d) find the limits
26. 26.True or false: “a log across a stream” is a beam bridge. (a) True (b) False
27. 27.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) flexible (d) heat insulator
28. 28.Which of these makes a building safer in earthquakes? (a) keeping a simple shape (b) making brittle joints (c) using a heavy roof (d) building tall and narrow
29. 29.🧪 Three prototype bridges were tested with the same method. Design A held 180 g, design B held 230 g and design C held 130 g. Which design was the strongest? (a) design C (b) design B (c) design A
30. 30.🤝 A team of 2 shares 4 equal jobs fairly. Each job takes 10 minutes. How many minutes does each person work?
31. 31.True or false: hitting a cricket ball is a pull. (a) True (b) False
32. 32.True or false: pushing a trolley is a push. (a) False (b) True
33. 33.True or false: chalk on a gym bar gives more friction. (a) False (b) True
34. 34.True or false: a fixed pulley stays in one place. (a) False (b) True
35. 35.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
36. 36.🛞 More or less friction: sand on a slippery path? (a) more friction (b) less friction
37. 37.True or false: a skipping rope needs a flexible material. (a) False (b) True
38. 38.💪 A cart is pulled to the right with 65 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
39. 39.🛞 Why are tyres made with deep treads? (a) to save rubber (b) to look nice (c) to grip the road (d) to go slower
40. 40.🧪 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 strongest? (a) design C (b) design A (c) design B

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