Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 909 · 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 is the odd one out? (a) a stone in an arch (b) a table leg (c) a stretched rubber band (d) a squeezed spring
2. 2.🪢 Tension or compression: a brick at a wall base? (a) tension (b) compression
3. 3.🛠️ Engineers use maths and which other subject the most? (a) cooking (b) music (c) dance (d) science
4. 4.📐 On a plan, 1 cm stands for 2 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
5. 5.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
6. 6.♻️ A school bench is made from 500 recycled plastic bottles. How many benches can be made from 2500 bottles?
7. 7.Which of these is found in nature? (a) a lift (b) a bicycle (c) a bridge (d) a waterfall
8. 8.⚖️ A seesaw balances. Zoya (? N) sits 4 m from the pivot on one side; Meena (400 N) sits 1 m from the pivot on the other side. What is the missing weight in newtons?
9. 9.🛞 Is friction helpful or a problem here: a knot holding a rope? (a) a problem (b) helpful
10. 10.🌉 Which bridge type: “a log across a stream”? (a) suspension bridge (b) arch bridge (c) beam bridge
11. 11.True or false: a wheel on ball bearings gives less friction. (a) True (b) False
12. 12.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
13. 13.🌉 Which bridge type: “the simplest bridge”? (a) arch bridge (b) suspension bridge (c) beam bridge
14. 14.🏚️ Where should heavy water tanks go in a quake zone? (a) on a thin pole (b) low down (c) on the very top (d) hanging outside
15. 15.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they stop shaking (c) they bend, not break (d) they are cheap
16. 16.True or false: to help a stuck teammate is poor teamwork. (a) True (b) False
17. 17.True or false: adding cross bracing makes a building less safe in earthquakes. (a) False (b) True
18. 18.True or false: a planetarium roof uses triangles. (a) True (b) False
19. 19.🪝 More rope sections holding a load means … (a) less effort needed (b) more effort needed (c) the load floats (d) no change
20. 20.🤝 A teammate’s idea seems odd. What should you do first? (a) walk away (b) listen and ask why (c) laugh at it (d) ignore it
21. 21.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) chemical (b) biomedical (c) civil (d) computer
22. 22.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.🔢 To build and test a straw bridge, which comes first: “choose and draw one” or “build it with straws”? (a) build it with straws (b) choose and draw one
24. 24.Which job does a civil engineer do? (a) designs satellites (b) builds rockets (c) designs electric motors (d) designs a metro tunnel
25. 25.🪢 A sign weighing 360 N hangs from 3 identical vertical ropes that share the load equally. What is the tension in each rope, in newtons?
26. 26.🤝 A team of 4 shares 24 equal jobs fairly. Each job takes 7 minutes. How many minutes does each person work?
27. 27.What does the tester do? (a) keeps the design notes (b) runs the tests (c) collects the supplies (d) tracks what is used up
28. 28.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 1200 bottles?
29. 29.Which of these is an arch bridge? (a) good for short gaps (b) a flat deck on piers (c) pushes out on its ends (d) the simplest bridge
30. 30.🧪 Is it good or poor testing to change lots at once? (a) poor testing (b) good testing
31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
32. 32.🏋️ Pushing a crate 6 m took 1920 J of work. What force was used, in newtons?
33. 33.🤝 In a design team, who writes down results? (a) recorder (b) team leader (c) materials manager (d) builder
34. 34.🔍 Which is the odd one out? (a) a coral reef (b) a mobile phone (c) a bicycle (d) a ceiling fan
35. 35.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
36. 36.Which of these happens in the Imagine step? (a) pick the build order (b) think of wild ideas (c) follow the plan to build (d) ask who will use it
37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
38. 38.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
39. 39.🛞 Friction acts … (a) only upwards (b) with the motion (c) against the motion (d) only on ice
40. 40.True or false: petrol is a renewable energy source. (a) False (b) True

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