Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 626 · 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 class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
2. 2.🏋️ A longer ramp to the same height needs … (a) more effort (b) no effort (c) less effort (d) the same effort
3. 3.Which need does a tunnel meet? (a) go through a mountain (b) reach a top floor fast (c) store water for summer (d) cross a wide river
4. 4.True or false: a mechanical engineer designs car engines. (a) False (b) True
5. 5.True or false: diesel is a renewable energy source. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) carry 10 coins (b) stand in a fan breeze (c) fit on a school desk (d) float for 1 minute
7. 7.🔍 Which is the odd one out? (a) a door stopper (b) the tip of a nail (c) a chisel (d) a nutcracker
8. 8.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.🛞 More or less friction: powder on a carrom board? (a) more friction (b) less friction
10. 10.🪝 More rope sections holding a load means … (a) less effort needed (b) no change (c) the load floats (d) more effort needed
11. 11.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
12. 12.⚖️ A lever bar balances. The load is 140 N at 10 cm from the fulcrum. The effort is 20 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
13. 13.🪝 Fixed or movable pulley: which one halves the effort? (a) a movable pulley (b) a fixed pulley
14. 14.True or false: an electric pylon uses triangles. (a) True (b) False
15. 15.🛠️ A scientist asks “why does it happen?”. An engineer mostly asks … (a) what is for lunch? (b) who won the match? (c) how can we build it? (d) why is the sky blue?
16. 16.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
17. 17.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) chemical (b) civil (c) computer (d) aerospace
18. 18.🤝 A team plans for 50 minutes, builds for 15 minutes and then tests for 10 minutes, one after another. How many minutes is that in all?
19. 19.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
20. 20.⚙️ Most simple machines make work easier by letting us … (a) make new energy (b) switch off gravity (c) stop all friction (d) use a smaller force
21. 21.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
22. 22.🪝 Fixed or movable pulley: which one stays in one place? (a) a fixed pulley (b) a movable pulley
23. 23.🌉 Which bridge type: “a rope bridge in hills”? (a) arch bridge (b) suspension bridge (c) beam bridge
24. 24.💪 Which force is at work: squeezing a lemon? (a) friction (b) muscular force (c) magnetic force (d) gravity
25. 25.📋 Your team’s budget is ₹148. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.True or false: a train helps people cross a wide river. (a) False (b) True
27. 27.True or false: a computer engineer writes app software. (a) True (b) False
28. 28.📐 A beam is 960 cm long. How long is it in metres? =
29. 29.Which of these is reduce (use less)? (a) give old books away (b) refill a water bottle (c) fix a dripping tap (d) plant in old tyres
30. 30.🛠️ Is a satellite made by engineers or found in nature? (a) found in nature (b) made by engineers
31. 31.🤝 In a design team, who keeps the design notes? (a) team leader (b) recorder (c) tester (d) builder
32. 32.True or false: a waterfall is made by engineers. (a) True (b) False
33. 33.🤝 In a design team, who keeps the team on track? (a) builder (b) tester (c) team leader (d) recorder
34. 34.🤝 In a design team, who collects the supplies? (a) tester (b) recorder (c) materials manager (d) builder
35. 35.True or false: a car windscreen needs a transparent material. (a) False (b) True
36. 36.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
37. 37.📐 On a plan, 1 cm stands for 2 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
38. 38.🪝 What does a single fixed pulley change? (a) the size of the load (b) the colour of rope (c) gravity (d) the direction of pull
39. 39.Which of these makes a building safer in earthquakes? (a) adding cross bracing (b) stacking loose bricks (c) leaving out steel bars (d) using a heavy roof
40. 40.🏋️ In which unit is work measured? (a) metre (m) (b) newton (N) (c) joule (J) (d) watt hour

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