Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 776 · 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: a rough doormat gives more friction. (a) True (b) False
2. 2.🦺 In the workshop, is it safe to cut towards your hand? (a) not safe (b) safe
3. 3.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) civil (b) biomedical (c) chemical (d) computer
4. 4.🦺 In the workshop, is it safe to wear safety goggles? (a) safe (b) not safe
5. 5.🔍 Which is the odd one out? (a) brass (b) iron (c) clay pottery (d) copper
6. 6.🔺 A frame shaped like a square is made of straws joined by loose pins, with 0 corner-to-corner braces. Is it rigid or wobbly? (a) rigid (b) wobbly
7. 7.Which job does a mechanical engineer do? (a) designs a metro tunnel (b) plans a dam (c) designs bicycle gears (d) wires a new building
8. 8.Which of these happens in the Test step? (a) list the materials (b) build the model (c) follow the plan to build (d) try it out
9. 9.🛠️ People need to reach a top floor fast. Which invention helps? (a) a fridge (b) a bridge (c) a dam (d) a lift
10. 10.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
11. 11.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 100 (d) 1000
12. 12.⚖️ A lever balances when … (a) turning effects match (b) both weights are equal (c) the bar is short (d) the fulcrum moves
13. 13.🏋️ In which unit is work measured? (a) metre (m) (b) watt hour (c) joule (J) (d) newton (N)
14. 14.⚙️ How many simple machines are there in the usual list? (a) 3 (b) 10 (c) 12 (d) 6
15. 15.🔍 Which is the odd one out? (a) change lots at once (b) repeat each test (c) use the same load (d) change only one thing
16. 16.🪢 A sign weighing 520 N hangs from 4 identical vertical ropes that share the load equally. What is the tension in each rope, in newtons?
17. 17.🏋️ A force of 170 N pushes a cart 3 m along the floor. How much work is done, in joules?
18. 18.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
19. 19.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: ice 2 N, a wooden plank 3 N, a carpet 6 N, sandpaper 10 N. Which surface gave the most friction? (a) sandpaper (b) ice (c) a wooden plank (d) a carpet
20. 20.🔧 Which tool would you use to measure an angle? (a) a spirit level (b) a protractor (c) a hammer (d) a screwdriver
21. 21.🔺 How do engineers stop a square frame from wobbling? (a) add a diagonal brace (b) make it bigger (c) paint it (d) take off a side
22. 22.📐 A beam is 910 cm long. How long is it in metres? =
23. 23.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) burn, bury, forget (d) reuse, recycle, reduce
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📐 A beam is 120 cm long. How long is it in metres? =
26. 26.Which of these is a lever? (a) a knife edge (b) a bottle opener (c) a door stopper (d) a steering wheel
27. 27.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the tools you use (d) the limits on money
28. 28.🪢 Tension or compression: a temple column? (a) compression (b) tension
29. 29.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) rubber (d) steel
30. 30.Which of these uses a dome? (a) a bicycle frame (b) a roof truss (c) a round palace roof (d) a crane arm
31. 31.🦺 In the workshop, is it safe to clamp wood before sawing? (a) safe (b) not safe
32. 32.Which of these is reuse (use again)? (a) plant in old tyres (b) melt glass into new jars (c) fix a dripping tap (d) carry a cloth bag
33. 33.Which of these is an inclined plane? (a) a crowbar (b) a screw jack (c) a jar lid (d) a playground slide
34. 34.💪 A bag has a mass of 30 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.Which of these is an arch bridge? (a) a flat deck on piers (b) the simplest bridge (c) tall towers hold cables (d) a curve under the deck
36. 36.🤝 Why do engineers work in teams? (a) to argue more (b) to finish nothing (c) to work alone (d) many skills and ideas
37. 37.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
38. 38.True or false: an electrical engineer designs a metro tunnel. (a) True (b) False
39. 39.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
40. 40.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?

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