Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 85 · 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 job is a spanner for? (a) make a hole in wood (b) tighten a nut (c) turn a screw (d) measure a long length
2. 2.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
3. 3.🤝 A team of 2 shares 4 equal jobs fairly. Each job takes 2 minutes. How many minutes does each person work?
4. 4.True or false: a mechanical engineer designs car engines. (a) False (b) True
5. 5.True or false: a movable pulley makes you pull 2× rope. (a) False (b) True
6. 6.🏋️ A longer ramp to the same height needs … (a) the same effort (b) less effort (c) no effort (d) more effort
7. 7.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
8. 8.🪢 Compression is a force that … (a) pulls or stretches (b) makes light (c) cools things (d) pushes or squeezes
9. 9.🔍 Which is the odd one out? (a) record every result (b) use the same load (c) measure the same way (d) change lots at once
10. 10.🔍 Which is the odd one out? (a) a tow rope on a car (b) a tug of war rope (c) a tent guy rope (d) a squeezed spring
11. 11.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.True or false: drawing up a well bucket is a pull. (a) False (b) True
13. 13.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
14. 14.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) big things fit on paper (d) to hide sizes
15. 15.🏋️ Pushing a crate 3 m took 1290 J of work. What force was used, in newtons?
16. 16.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
17. 17.⚖️ Turning effect = force × … (a) mass of fulcrum (b) distance from fulcrum (c) time taken (d) colour of bar
18. 18.🔍 Which is the odd one out? (a) a wheel on ball bearings (b) a smooth steel slide (c) chalk on a gym bar (d) a wet tiled floor
19. 19.True or false: to cut away from your body is safe. (a) False (b) True
20. 20.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
21. 21.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
22. 22.🔍 Which is the odd one out? (a) skip writing results (b) record every result (c) change only one thing (d) use the same load
23. 23.True or false: a boat hull needs a waterproof material. (a) True (b) False
24. 24.💪 A force is a … (a) unit of time (b) push or a pull (c) type of sound (d) kind of colour
25. 25.Which of these is made by engineers? (a) a rainbow (b) a volcano (c) a waterfall (d) a bridge
26. 26.🌉 In a stone arch bridge, the stones are in … (a) no force (b) compression (c) friction (d) tension
27. 27.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
28. 28.🔺 How do engineers stop a square frame from wobbling? (a) paint it (b) make it bigger (c) add a diagonal brace (d) take off a side
29. 29.📐 A beam is 650 cm long. How long is it in metres? =
30. 30.🧱 Which property matters most for an umbrella cover? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
31. 31.Which of these is an arch bridge? (a) a flat deck on piers (b) cables tied down at ends (c) tall towers hold cables (d) pushes out on its ends
32. 32.🔄 After testing, a design does not work well. What comes next? (a) Imagine (b) give up (c) Improve (d) Ask
33. 33.🔍 Which is the odd one out? (a) a water tap handle (b) a steering wheel (c) a well winch handle (d) a wood screw
34. 34.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
35. 35.🏋️ A smooth ramp is 9 m long and rises 3 m. What effort pushes a 150 N box up it, in newtons? (ideal ramp, no friction)
36. 36.True or false: a swing chain is in tension (pulled). (a) False (b) True
37. 37.True or false: a bridge is made by engineers. (a) False (b) True
38. 38.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
39. 39.⚖️ A seesaw balances. Arjun (640 N) sits ? m from the pivot on one side; Asha (160 N) sits 4 m from the pivot on the other side. What is the missing distance in metres?
40. 40.🛞 More or less friction: sand on a slippery path? (a) more friction (b) less friction

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