Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 253 · 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.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
2. 2.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
3. 3.🔄 Which design-process step is it to dream up possible fixes? (a) Create (b) Ask (c) Test (d) Imagine
4. 4.True or false: “a log across a stream” is an arch bridge. (a) True (b) False
5. 5.🤝 In a design team, who runs the tests? (a) builder (b) team leader (c) materials manager (d) tester
6. 6.🔺 A frame shaped like a pentagon is made of straws joined by loose pins, with 2 corner-to-corner braces. Is it rigid or wobbly? (a) rigid (b) wobbly
7. 7.🌉 Which bridge type: “the simplest bridge”? (a) arch bridge (b) suspension bridge (c) beam bridge
8. 8.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
9. 9.🔍 Which is the odd one out? (a) measure the same way (b) hide a failed test (c) guess, do not measure (d) skip writing results
10. 10.🪝 More rope sections holding a load means … (a) the load floats (b) no change (c) less effort needed (d) more effort needed
11. 11.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
12. 12.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
13. 13.Which of these is made by engineers? (a) a river (b) a mountain (c) a waterfall (d) a bicycle
14. 14.🤝 A teammate’s idea seems odd. What should you do first? (a) ignore it (b) listen and ask why (c) laugh at it (d) walk away
15. 15.🔍 Which is the odd one out? (a) a satellite (b) a water filter (c) a bicycle (d) a mountain
16. 16.🌉 Which bridge type: “a log across a stream”? (a) arch bridge (b) beam bridge (c) suspension bridge
17. 17.🧪 A paper bridge was tested three times. It held 290 g, 150 g and 130 g. What is the mean (average) load it held, in grams?
18. 18.📐 A beam is 420 cm long. How long is it in metres? =
19. 19.🪝 Fixed or movable pulley: which one makes you pull 2× rope? (a) a fixed pulley (b) a movable pulley
20. 20.True or false: sand on a slippery path gives less friction. (a) False (b) True
21. 21.True or false: a mechanical engineer designs power lines. (a) False (b) True
22. 22.⚙️ A wedge is … (a) two ramps back to back (b) a bar on a pivot (c) a rope on a wheel (d) a wheel on a rod
23. 23.⚖️ A seesaw balances. Asha (600 N) sits ? m from the pivot on one side; Arjun (200 N) sits 3 m from the pivot on the other side. What is the missing distance in metres?
24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
25. 25.True or false: a river is made by engineers. (a) True (b) False
26. 26.🤝 A team of 2 shares 8 equal jobs fairly. Each job takes 2 minutes. How many minutes does each person work?
27. 27.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) computer (b) chemical (c) aerospace (d) civil
28. 28.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
29. 29.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) iron (d) glass
30. 30.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
31. 31.True or false: closing a drawer is a push. (a) False (b) True
32. 32.🛠️ What does an engineer mainly do? (a) only paints pictures (b) grows crops (c) sells tickets (d) designs useful solutions
33. 33.⚖️ On a seesaw, a heavier child should sit … (a) closer to the pivot (b) on the pivot (c) farther from the pivot (d) anywhere
34. 34.🤝 Is it good or poor teamwork to help a stuck teammate? (a) good teamwork (b) poor teamwork
35. 35.True or false: a movable pulley rises with the load. (a) True (b) False
36. 36.⚖️ A lever bar balances. The load is 80 N at ? cm from the fulcrum. The effort is 30 N at 80 cm from the fulcrum on the other side. What is the missing distance in centimetres?
37. 37.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
38. 38.Which job does a biomedical engineer do? (a) designs power lines (b) lays out a highway (c) designs knee implants (d) designs factory machines
39. 39.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum

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