Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 545 · 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.True or false: flowing river water is a renewable energy source. (a) True (b) False
2. 2.Which of these is a lever? (a) a flagpole rope wheel (b) a steering wheel (c) a well winch handle (d) a claw hammer on a nail
3. 3.🪝 More rope sections holding a load means … (a) no change (b) more effort needed (c) the load floats (d) less effort needed
4. 4.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) be under 30 cm tall (d) use only paper and tape
5. 5.Which of these uses a beam? (a) a curved stone doorway (b) a fort gateway (c) a bicycle frame (d) a lintel over a door
6. 6.Which of these is an inclined plane? (a) a well-bucket rope wheel (b) a window blind cord (c) a playground slide (d) an axe blade
7. 7.🛠️ Is a bridge made by engineers or found in nature? (a) found in nature (b) made by engineers
8. 8.🛞 Friction acts … (a) against the motion (b) with the motion (c) only on ice (d) only upwards
9. 9.🤝 A team of 5 shares 10 equal jobs fairly. Each job takes 4 minutes. How many minutes does each person work?
10. 10.True or false: a chemical engineer lays out a highway. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a well winch handle (b) a chisel (c) a water tap handle (d) a round doorknob
12. 12.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a glass sheet 6 N, a wooden plank 7 N, sandpaper 8 N, ice 2 N. Which surface gave the most friction? (a) a wooden plank (b) ice (c) a glass sheet (d) sandpaper
13. 13.🛞 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 carpet 9 N, sandpaper 10 N. How many newtons more were needed on sandpaper than on ice?
14. 14.⚖️ A lever bar balances. The load is 160 N at 30 cm from the fulcrum. The effort is 240 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
15. 15.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) big things fit on paper (d) to make them pretty
16. 16.⚖️ A lever bar balances. The load is 160 N at 10 cm from the fulcrum. The effort is ? N at 80 cm from the fulcrum on the other side. What is the missing force in newtons?
17. 17.🔍 Which is the odd one out? (a) having a wide base (b) raising heavy tanks high (c) adding cross bracing (d) fitting rubber base pads
18. 18.🪢 Compression is a force that … (a) cools things (b) pulls or stretches (c) pushes or squeezes (d) makes light
19. 19.🪝 Fixed or movable pulley: which one is on a flagpole top? (a) a fixed pulley (b) a movable pulley
20. 20.🔍 Which is the odd one out? (a) a tug of war rope (b) a brick at a wall base (c) a crane lifting cable (d) a tent guy rope
21. 21.🦺 In the workshop, is it safe to use a cracked tool? (a) safe (b) not safe
22. 22.⚖️ On a seesaw, a heavier child should sit … (a) anywhere (b) farther from the pivot (c) closer to the pivot (d) on the pivot
23. 23.True or false: to ask who will use it is the Ask step. (a) False (b) True
24. 24.Which of these is a wheel and axle? (a) a flagpole rope wheel (b) a claw hammer on a nail (c) the tip of a nail (d) a round doorknob
25. 25.True or false: “tall towers hold cables” is an arch bridge. (a) True (b) False
26. 26.🔄 Which design-process step is it to try it out? (a) Test (b) Create (c) Imagine (d) Plan
27. 27.🏚️ Why are flexible joints good in an earthquake? (a) they bend, not break (b) they look nice (c) they stop shaking (d) they are cheap
28. 28.True or false: to repeat each test is good testing. (a) False (b) True
29. 29.🏋️ A machine lifts a load of 240 N when you push with 40 N. What is its mechanical advantage (MA)?
30. 30.True or false: a computer engineer builds a website. (a) False (b) True
31. 31.🧑‍🔧 Which kind of engineer designs power lines? (a) computer (b) electrical (c) civil (d) mechanical
32. 32.🌉 Which bridge type: “a curve under the deck”? (a) arch bridge (b) suspension bridge (c) beam bridge
33. 33.🌉 Which bridge type can cross the widest gap in one span? (a) arch bridge (b) suspension bridge (c) log bridge (d) beam bridge
34. 34.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) aluminium (d) wood or plastic
35. 35.⚙️ A screw is really … (a) a kind of wheel (b) a tiny pulley (c) a ramp wrapped round (d) a bent lever
36. 36.True or false: to draw a labelled diagram is the Create step. (a) True (b) False
37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
38. 38.🏋️ A 6 kg box is lifted straight up by 3 m. Taking 1 kg to weigh about 10 N, how much work is done, in joules?
39. 39.Which job does a biomedical engineer do? (a) keeps data safe online (b) makes medicines in bulk (c) writes app software (d) designs artificial limbs
40. 40.Which of these is a suspension bridge? (a) stones squeezed together (b) tall towers hold cables (c) a log across a stream (d) pushes out on its ends

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