Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 54 · 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.🛠️ Is a ceiling fan made by engineers or found in nature? (a) made by engineers (b) found in nature
2. 2.⚙️ Which simple machine is a crowbar? (a) screw (b) wedge (c) lever (d) wheel and axle
3. 3.Which of these uses a dome? (a) an electric pylon (b) a round palace roof (c) a fort gateway (d) a truss bridge side
4. 4.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
5. 5.♻️ Which is the BEST order to think about waste? (a) burn, bury, forget (b) recycle, reuse, reduce (c) reduce, reuse, recycle (d) reuse, recycle, reduce
6. 6.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
7. 7.True or false: to run while holding tools is not safe. (a) False (b) True
8. 8.Which of these is a beam bridge? (a) a flat deck on piers (b) a curve under the deck (c) cables tied down at ends (d) deck hangs from cables
9. 9.What does the recorder do? (a) collects the supplies (b) checks the goals are met (c) tracks what is used up (d) writes down results
10. 10.🌉 Which bridge type: “the simplest bridge”? (a) arch bridge (b) suspension bridge (c) beam bridge
11. 11.🔍 Which is the odd one out? (a) a bridge (b) a ceiling fan (c) a lift (d) a banyan tree
12. 12.🛞 Is friction helpful or a problem here: walking without slipping? (a) a problem (b) helpful
13. 13.🔧 Which tool would you use to check a shelf is level? (a) a tape measure (b) sandpaper (c) a spirit level (d) a hammer
14. 14.True or false: to agree before changing is poor teamwork. (a) False (b) True
15. 15.🧱 Which property matters most for a car seat belt? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
16. 16.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
17. 17.🤝 In a design team, who cuts and joins parts? (a) team leader (b) tester (c) materials manager (d) builder
18. 18.Which of these uses triangles? (a) an igloo (b) a shelf on two brackets (c) a plank over a drain (d) an electric pylon
19. 19.True or false: to agree before changing is good teamwork. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) the tip of a nail (b) a knife edge (c) a door stopper (d) a claw hammer on a nail
21. 21.🌉 What holds up a long beam bridge in the middle? (a) piers (b) nothing (c) balloons (d) cables only
22. 22.True or false: a biomedical engineer designs a flyover. (a) True (b) False
23. 23.True or false: a bicycle frame uses triangles. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) aluminium (b) clay pottery (c) copper (d) graphite
25. 25.True or false: a wheel on ball bearings gives less friction. (a) True (b) False
26. 26.🏋️ A smooth ramp is 18 m long and rises 3 m. What effort pushes a 6000 N box up it, in newtons? (ideal ramp, no friction)
27. 27.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: sandpaper 14 N, ice 4 N, a glass sheet 7 N, a wooden plank 10 N. Which surface gave the least friction? (a) a wooden plank (b) a glass sheet (c) ice (d) sandpaper
28. 28.🧑‍🔧 Which kind of engineer designs power lines? (a) mechanical (b) civil (c) computer (d) electrical
29. 29.🛞 More or less friction: chalk on a gym bar? (a) less friction (b) more friction
30. 30.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they bend, not break (c) they stop shaking (d) they are cheap
31. 31.🔍 Which is the odd one out? (a) use a cracked tool (b) run while holding tools (c) touch a hot glue tip (d) let adults use hot glue
32. 32.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
33. 33.🪝 A load of 180 N hangs from a pulley system in which 3 rope sections hold up the load. What effort is needed, in newtons? (ideal pulleys)
34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
35. 35.True or false: a river is found in nature. (a) False (b) True
36. 36.True or false: having a wide base makes a building less safe in earthquakes. (a) False (b) True
37. 37.📐 A beam is 490 cm long. How long is it in metres? =
38. 38.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) rubbing hands warms them (c) a thrown ball comes down (d) pedalling a cycle
39. 39.🏋️ Work is done when a force moves something … (a) without moving it (b) only upwards (c) very slowly (d) through a distance
40. 40.True or false: to ask who will use it is the Ask step. (a) False (b) True

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