Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 941 · 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.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
2. 2.🔺 Which shape keeps its shape best when its corners are pinned? (a) hexagon (b) square (c) rectangle (d) triangle
3. 3.📐 A beam is 410 cm long. How long is it in metres? =
4. 4.🏋️ A machine lifts a load of 240 N when you push with 120 N. What is its mechanical advantage (MA)?
5. 5.⚖️ A lever bar balances. The load is ? N at 50 cm from the fulcrum. The effort is 200 N at 30 cm from the fulcrum on the other side. What is the missing force in newtons?
6. 6.True or false: to measure a long length, use a hand drill. (a) False (b) True
7. 7.⚖️ A lever bar balances. The load is 200 N at 10 cm from the fulcrum. The effort is ? N at 100 cm from the fulcrum on the other side. What is the missing force in newtons?
8. 8.🛠️ People need to store water for summer. Which invention helps? (a) a water filter (b) a lift (c) a dam (d) a telephone
9. 9.🏋️ A smooth ramp is 12 m long and rises 3 m. What effort pushes a 1000 N box up it, in newtons? (ideal ramp, no friction)
10. 10.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
11. 11.True or false: to make a prototype is the Plan step. (a) True (b) False
12. 12.💪 A force is a … (a) unit of time (b) kind of colour (c) push or a pull (d) type of sound
13. 13.🏋️ Mechanical advantage (MA) = … (a) effort ÷ load (b) load × effort (c) load + effort (d) load ÷ effort
14. 14.Which of these is an arch bridge? (a) tall towers hold cables (b) a curve under the deck (c) cables tied down at ends (d) a rope bridge in hills
15. 15.🛠️ Engineers use maths and which other subject the most? (a) science (b) music (c) dance (d) cooking
16. 16.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) civil (b) biomedical (c) computer (d) chemical
17. 17.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a carpet 6 N, sandpaper 8 N, ice 2 N, a wooden plank 5 N. Which surface gave the least friction? (a) a carpet (b) a wooden plank (c) sandpaper (d) ice
18. 18.True or false: to grip and bend wire, use a spirit level. (a) True (b) False
19. 19.Which of these needs an electrical conductor? (a) a switch contact (b) a car seat belt (c) a spectacle lens (d) a cooking pot handle
20. 20.♻️ A school bench is made from 400 recycled plastic bottles. How many benches can be made from 3600 bottles?
21. 21.🔧 Which tool would you use to smooth a rough edge? (a) sandpaper (b) a tape measure (c) a protractor (d) a hand drill
22. 22.🧑‍🔧 Which kind of engineer designs factory machines? (a) mechanical (b) aerospace (c) civil (d) biomedical
23. 23.🤝 Is it good or poor teamwork to give kind feedback? (a) good teamwork (b) poor teamwork
24. 24.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
25. 25.🧑‍🔧 Which kind of engineer makes medicines in bulk? (a) chemical (b) electrical (c) mechanical (d) civil
26. 26.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.🏋️ A smooth ramp is 12 m long and rises 3 m. What effort pushes a 2800 N box up it, in newtons? (ideal ramp, no friction)
28. 28.🧱 Which property matters most for a plug pin? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
29. 29.🤝 How do engineers share a design with others? (a) clear labelled sketches (b) secret notes (c) no drawings at all (d) only talking fast
30. 30.True or false: a squeezed spring is in compression (pushed). (a) False (b) True
31. 31.🏋️ A smooth ramp is 6 m long and rises 1 m. What effort pushes a 3900 N box up it, in newtons? (ideal ramp, no friction)
32. 32.🧑‍🔧 Which kind of engineer designs a gearbox? (a) chemical (b) mechanical (c) aerospace (d) computer
33. 33.💪 A cart is pulled to the right with 70 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
34. 34.🧑‍🔧 Which kind of engineer refines crude oil? (a) biomedical (b) mechanical (c) civil (d) chemical
35. 35.🔍 Which is the odd one out? (a) a brick at a wall base (b) a stone in an arch (c) a crane lifting cable (d) a bridge pier
36. 36.🌉 A beam bridge 240 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
37. 37.🛠️ People need to talk to someone far away. Which invention helps? (a) a telephone (b) a tunnel (c) a bridge (d) a fridge
38. 38.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) muscular force (c) gravity (d) friction
39. 39.🔢 To follow the engineering design process, what comes right after “Imagine”? (a) Improve (b) Test (c) Ask (d) Plan
40. 40.🪢 Tension or compression: a tall bridge tower? (a) tension (b) compression

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