Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 711 · 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 is 320 cm long. How long is it in metres? =
2. 2.🤝 In a design team, who checks the goals are met? (a) recorder (b) materials manager (c) tester (d) builder
3. 3.🔍 Which is the odd one out? (a) a wheelchair ramp (b) a playground slide (c) a truck loading ramp (d) a seesaw
4. 4.🪝 A well winch has a handle (wheel) of radius 24 cm turning an axle of radius 4 cm. What is its mechanical advantage (MA)?
5. 5.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
6. 6.🔄 What is the FIRST step of the engineering design process? (a) Improve (b) Create (c) Ask (d) Test
7. 7.🔢 To follow the engineering design process, which comes first: “Test” or “Plan”? (a) Plan (b) Test
8. 8.🏋️ A smooth ramp is 15 m long and rises 3 m. What effort pushes a 4250 N box up it, in newtons? (ideal ramp, no friction)
9. 9.🏋️ A longer ramp to the same height needs … (a) the same effort (b) more effort (c) less effort (d) no effort
10. 10.🔺 How do engineers stop a square frame from wobbling? (a) add a diagonal brace (b) paint it (c) take off a side (d) make it bigger
11. 11.Which of these is caused by gravity? (a) a river flows downhill (b) a rolling ball slows (c) lifting a school bag (d) rubbing hands warms them
12. 12.🏋️ A force of 210 N pushes a cart 3 m along the floor. How much work is done, in joules?
13. 13.Which job does a mechanical engineer do? (a) plans a space mission (b) designs electric motors (c) designs bicycle gears (d) lays out a highway
14. 14.🔺 A flat frame has 4 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?
15. 15.🔍 Which is the odd one out? (a) skating on ice (b) powder on a carrom board (c) a smooth steel slide (d) chalk on a gym bar
16. 16.True or false: a tug of war is a pull. (a) False (b) True
17. 17.True or false: “a flat deck on piers” is a suspension bridge. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) use the same load (b) test it only once (c) change only one thing (d) record every result
19. 19.🔍 Which is the odd one out? (a) change lots at once (b) test it only once (c) repeat each test (d) skip writing results
20. 20.🔍 Which is the odd one out? (a) a box pushed on carpet (b) oil on a squeaky hinge (c) powder on a carrom board (d) a wet tiled floor
21. 21.🪢 Tension or compression: a stone in an arch? (a) compression (b) tension
22. 22.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: ice 4 N, a glass sheet 8 N, a wooden plank 12 N, sandpaper 15 N. Which surface gave the most friction? (a) sandpaper (b) ice (c) a glass sheet (d) a wooden plank
23. 23.⚖️ Turning effect = force × … (a) mass of fulcrum (b) colour of bar (c) time taken (d) distance from fulcrum
24. 24.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
25. 25.What does the tester do? (a) collects the supplies (b) puts the model together (c) runs the tests (d) tracks what is used up
26. 26.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.♻️ Which energy source will never run out? (a) coal (b) sunlight (c) diesel (d) petrol
28. 28.⚖️ A lever bar balances. The load is 810 N at 30 cm from the fulcrum. The effort is 270 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
29. 29.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
30. 30.Which of these is a screw? (a) a seesaw (b) a jar lid (c) a well winch handle (d) a knife edge
31. 31.🛠️ People need to make water safe to drink. Which invention helps? (a) a fridge (b) a water filter (c) a lift (d) a telephone
32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
33. 33.🛠️ Is a railway track made by engineers or found in nature? (a) made by engineers (b) found in nature
34. 34.🤝 Is it good or poor teamwork to listen to every idea? (a) good teamwork (b) poor teamwork
35. 35.🏋️ A machine lifts a load of 300 N when you push with 100 N. What is its mechanical advantage (MA)?
36. 36.⚙️ Most simple machines make work easier by letting us … (a) switch off gravity (b) make new energy (c) stop all friction (d) use a smaller force
37. 37.Which job does a mechanical engineer do? (a) designs a metro tunnel (b) designs car engines (c) plans a power grid (d) keeps data safe online
38. 38.🧪 Is it good or poor testing to skip writing results? (a) good testing (b) poor testing
39. 39.🔺 A beam bends under a load. Its top side is … (a) not affected (b) squeezed (compression) (c) stretched (tension) (d) floating
40. 40.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe

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