Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 747 · 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 of these is caused by gravity? (a) brakes stop a bicycle (b) lifting a school bag (c) rain falls to the ground (d) shoes grip the floor
2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
3. 3.🔍 Which is the odd one out? (a) skating on ice (b) a smooth steel slide (c) a wet tiled floor (d) a rough doormat
4. 4.🏋️ Work is done when a force moves something … (a) without moving it (b) through a distance (c) very slowly (d) only upwards
5. 5.🧑‍🔧 Which kind of engineer designs a flyover? (a) electrical (b) computer (c) biomedical (d) civil
6. 6.🪢 Tension or compression: a temple column? (a) tension (b) compression
7. 7.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) reuse, recycle, reduce
8. 8.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: ice 1 N, a glass sheet 5 N, a carpet 8 N, sandpaper 9 N. Which surface gave the least friction? (a) a glass sheet (b) a carpet (c) ice (d) sandpaper
9. 9.🔧 Which tool would you use to cut a wooden plank? (a) pliers (b) a saw (c) a tape measure (d) a spanner
10. 10.True or false: a mechanical engineer runs a fertiliser plant. (a) False (b) True
11. 11.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.🔍 Which is the odd one out? (a) a crane hook block (b) a door stopper (c) a knife edge (d) the tip of a nail
13. 13.⚙️ Most simple machines make work easier by letting us … (a) stop all friction (b) switch off gravity (c) make new energy (d) use a smaller force
14. 14.🧪 Is it good or poor testing to change lots at once? (a) good testing (b) poor testing
15. 15.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
16. 16.♻️ Which energy source will never run out? (a) petrol (b) sunlight (c) coal (d) diesel
17. 17.True or false: to test it only once is good testing. (a) True (b) False
18. 18.💪 Which force is at work: pedalling a cycle? (a) gravity (b) magnetic force (c) muscular force (d) friction
19. 19.Which of these uses triangles? (a) a curved stone doorway (b) an electric pylon (c) a round palace roof (d) a fort gateway
20. 20.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 60 (d) 1000
21. 21.📐 A beam is 740 cm long. How long is it in metres? =
22. 22.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
23. 23.🌉 A beam bridge 200 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
24. 24.True or false: to measure a long length, use a hammer. (a) False (b) True
25. 25.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
26. 26.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reduce (b) recycle (c) reuse
27. 27.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
28. 28.🔍 Which is the odd one out? (a) chalk on a gym bar (b) sand on a slippery path (c) a smooth steel slide (d) a box pushed on carpet
29. 29.⚖️ A seesaw balances. Kabir (? N) sits 3 m from the pivot on one side; Zoya (420 N) sits 4 m from the pivot on the other side. What is the missing weight in newtons?
30. 30.🔄 Which design-process step is it to check it against goals? (a) Improve (b) Imagine (c) Test (d) Ask
31. 31.🔢 To follow the engineering design process, which is the LAST step? (a) Improve (b) Imagine (c) Ask (d) Create
32. 32.⚙️ Which simple machine is a nut and bolt? (a) lever (b) wedge (c) screw (d) wheel and axle
33. 33.🤝 Is it good or poor teamwork to own up to a mistake? (a) good teamwork (b) poor teamwork
34. 34.🔺 A flat frame has 8 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?
35. 35.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) False (b) True
36. 36.🔧 Which tool would you use to measure an angle? (a) sandpaper (b) a tape measure (c) a protractor (d) a hammer
37. 37.♻️ Reduce, reuse or recycle: turn plastic into tiles? (a) recycle (b) reduce (c) reuse
38. 38.🤝 Is it good or poor teamwork to hide a mistake? (a) poor teamwork (b) good teamwork
39. 39.⚖️ Turning effect = force × … (a) mass of fulcrum (b) time taken (c) colour of bar (d) distance from fulcrum
40. 40.🛠️ People need to cross a wide river. Which invention helps? (a) a microscope (b) a bridge (c) a telephone (d) a solar panel

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