Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 384 · 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: a computer engineer keeps data safe online. (a) False (b) True
2. 2.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
3. 3.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
4. 4.⚖️ A lever bar balances. The load is 200 N at ? cm from the fulcrum. The effort is 200 N at 20 cm from the fulcrum on the other side. What is the missing distance in centimetres?
5. 5.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
6. 6.Which of these happens in the Test step? (a) follow the plan to build (b) draw a labelled diagram (c) try it out (d) list the materials
7. 7.Which of these makes a building less safe in earthquakes? (a) using flexible joints (b) fitting rubber base pads (c) using a heavy roof (d) using a light roof
8. 8.📋 A constraint is … (a) a limit you must keep to (b) a final test (c) a goal for success (d) a kind of glue
9. 9.🪢 Tension or compression: a tent guy rope? (a) tension (b) compression
10. 10.🪢 Compression is a force that … (a) makes light (b) cools things (c) pushes or squeezes (d) pulls or stretches
11. 11.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) chemical (b) computer (c) civil (d) aerospace
12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
13. 13.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
14. 14.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) iron (d) copper
15. 15.🧑‍🔧 Which kind of engineer plans a power grid? (a) computer (b) aerospace (c) mechanical (d) electrical
16. 16.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
17. 17.True or false: a tyre with deep treads gives more friction. (a) False (b) True
18. 18.♻️ Which energy source will never run out? (a) petrol (b) coal (c) sunlight (d) diesel
19. 19.🌉 Which bridge type: “the simplest bridge”? (a) arch bridge (b) beam bridge (c) suspension bridge
20. 20.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
21. 21.⚖️ A lever bar balances. The load is 30 N at ? cm from the fulcrum. The effort is 30 N at 30 cm from the fulcrum on the other side. What is the missing distance in centimetres?
22. 22.True or false: to blame others for faults is good teamwork. (a) False (b) True
23. 23.🛠️ What does an engineer mainly do? (a) sells tickets (b) only paints pictures (c) grows crops (d) designs useful solutions
24. 24.True or false: a mechanical engineer designs a flyover. (a) True (b) False
25. 25.Which job does a chemical engineer do? (a) designs bicycle gears (b) refines crude oil (c) designs knee implants (d) designs power lines
26. 26.🛞 Why are tyres made with deep treads? (a) to save rubber (b) to go slower (c) to grip the road (d) to look nice
27. 27.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
28. 28.🤝 How do engineers share a design with others? (a) only talking fast (b) clear labelled sketches (c) no drawings at all (d) secret notes
29. 29.True or false: powder on a carrom board gives more friction. (a) False (b) True
30. 30.🔢 To build and test a straw bridge, which is the FIRST step? (a) load it with coins (b) choose and draw one (c) sketch three ideas (d) read the challenge rules
31. 31.Which of these happens in the Plan step? (a) measure its performance (b) redesign after testing (c) list the materials (d) dream up possible fixes
32. 32.True or false: a wheel on ball bearings gives more friction. (a) False (b) True
33. 33.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) transparent (d) heat insulator
34. 34.🔍 Which is the odd one out? (a) a knife edge (b) an axe blade (c) a well-bucket rope wheel (d) the tip of a nail
35. 35.🪝 A pulley system has 1 rope section holding up the load. To lift the load by 3 m, how many metres of rope must you pull?
36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
37. 37.🪝 A load of 540 N hangs from a pulley system in which 3 rope sections hold up the load. What effort is needed, in newtons? (ideal pulleys)
38. 38.🌉 Which bridge type: “stones squeezed together”? (a) suspension bridge (b) beam bridge (c) arch bridge
39. 39.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) float for 1 minute (d) stand in a fan breeze
40. 40.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

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