Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 397 · 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.🌉 A beam bridge 420 m long is split by piers into 12 equal spans. How long is each span, in metres?
2. 2.🤝 Is it good or poor teamwork to do all the work alone? (a) poor teamwork (b) good teamwork
3. 3.🛠️ What does an engineer do before building anything? (a) paints the model (b) buys every material (c) builds at once (d) understands the problem
4. 4.Which job does an electrical engineer do? (a) designs a metro tunnel (b) designs car engines (c) designs power lines (d) designs bicycle gears
5. 5.⚙️ Most simple machines make work easier by letting us … (a) switch off gravity (b) use a smaller force (c) stop all friction (d) make new energy
6. 6.🔢 To follow the engineering design process, which comes first: “Test” or “Improve”? (a) Improve (b) Test
7. 7.🔍 Which is the odd one out? (a) a bicycle (b) a river (c) a mobile phone (d) a satellite
8. 8.⚖️ A lever bar balances. The load is 490 N at 50 cm from the fulcrum. The effort is ? N at 70 cm from the fulcrum on the other side. What is the missing force in newtons?
9. 9.🛠️ Is a volcano made by engineers or found in nature? (a) found in nature (b) made by engineers
10. 10.🏋️ Work is done when a force moves something … (a) very slowly (b) through a distance (c) without moving it (d) only upwards
11. 11.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
12. 12.🧪 Is it good or poor testing to record every result? (a) poor testing (b) good testing
13. 13.True or false: to measure an angle, use a protractor. (a) False (b) True
14. 14.Which job does a biomedical engineer do? (a) designs hearing aids (b) plans a dam (c) designs a gearbox (d) lays out a highway
15. 15.Which of these is in tension (pulled)? (a) a stone in an arch (b) a pillar under a roof (c) a temple column (d) a stretched rubber band
16. 16.🧪 Is it good or poor testing to guess, do not measure? (a) poor testing (b) good testing
17. 17.🔍 Which is the odd one out? (a) a tent guy rope (b) a stone in an arch (c) a squeezed spring (d) a table leg
18. 18.Which of these is a wedge? (a) a claw hammer on a nail (b) a window blind cord (c) a door stopper (d) a screw jack
19. 19.Which of these is in tension (pulled)? (a) a bridge pier (b) a suspension cable (c) a stone in an arch (d) a squeezed spring
20. 20.Which of these needs a flexible material? (a) a hair band (b) a boat hull (c) a tea flask lining (d) a window pane
21. 21.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.Which of these is in compression (pushed)? (a) a stretched rubber band (b) a swing chain (c) a tow rope on a car (d) a tall bridge tower
23. 23.🛞 More or less friction: skating on ice? (a) more friction (b) less friction
24. 24.♻️ Is natural gas a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
25. 25.Which of these needs an electrical conductor? (a) a car windscreen (b) a cooking pot handle (c) a plug pin (d) a roof sheet
26. 26.Which of these needs a heat insulator? (a) a yoga mat (b) a boat hull (c) a cooking pot handle (d) a window pane
27. 27.Which job does an aerospace engineer do? (a) designs school networks (b) designs electric motors (c) designs a flyover (d) designs aeroplane wings
28. 28.🧪 Three prototype bridges were tested with the same method. Design A held 160 g, design B held 110 g and design C held 210 g. Which design was the strongest? (a) design C (b) design A (c) design B
29. 29.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
30. 30.⚖️ A seesaw balances. Arjun (600 N) sits 4 m from the pivot on one side; Ravi (? N) sits 4 m from the pivot on the other side. What is the missing weight in newtons?
31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
32. 32.Which job is a spanner for? (a) smooth a rough edge (b) tighten a nut (c) measure an angle (d) turn a screw
33. 33.🔍 Which is the odd one out? (a) skip writing results (b) record every result (c) use a new load each time (d) hide a failed test
34. 34.🪝 Fixed or movable pulley: which one only changes direction? (a) a fixed pulley (b) a movable pulley
35. 35.🛞 More or less friction: a tyre with deep treads? (a) less friction (b) more friction
36. 36.Which of these is an arch bridge? (a) deck hangs from cables (b) the simplest bridge (c) the longest spans of all (d) a curve under the deck
37. 37.Which of these is in tension (pulled)? (a) a bridge pier (b) a table leg (c) a brick at a wall base (d) a swing chain
38. 38.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) civil (b) aerospace (c) chemical (d) computer
39. 39.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) steel (d) plastic
40. 40.🏋️ A force of 100 N pushes a cart 1 m along the floor. How much work is done, in joules?

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