Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 359 · 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 water filter made by engineers or found in nature? (a) found in nature (b) made by engineers
2. 2.True or false: a fixed pulley stays in one place. (a) True (b) False
3. 3.🔄 Is the engineering design process done only once? (a) only on Sundays (b) no, it repeats (c) yes, only once (d) only for big jobs
4. 4.🔍 Which is the odd one out? (a) a ceiling fan (b) a seashell (c) a water filter (d) a bridge
5. 5.🤝 In a design team, who keeps the design notes? (a) builder (b) team leader (c) recorder (d) tester
6. 6.🌉 Which bridge type: “stones squeezed together”? (a) beam bridge (b) suspension bridge (c) arch bridge
7. 7.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a wooden plank 6 N, a carpet 9 N, ice 2 N, a glass sheet 4 N. Which surface gave the least friction? (a) a carpet (b) ice (c) a glass sheet (d) a wooden plank
8. 8.🏋️ Pushing a crate 4 m took 160 J of work. What force was used, in newtons?
9. 9.🧪 Is it good or poor testing to guess, do not measure? (a) good testing (b) poor testing
10. 10.🌉 A beam bridge 315 m long rests on the two river banks and on piers in between, making equal spans of 45 m. How many piers are there?
11. 11.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) use only paper and tape (d) keep ice for 1 hour
12. 12.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) to make them pretty (d) big things fit on paper
13. 13.🤝 A team of 2 shares 4 equal jobs fairly. Each job takes 3 minutes. How many minutes does each person work?
14. 14.🤝 A team of 5 shares 25 equal jobs fairly. Each job takes 6 minutes. How many minutes does each person work?
15. 15.True or false: a roof truss uses a dome. (a) True (b) False
16. 16.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
17. 17.Which of these needs a heat insulator? (a) a boat hull (b) a roof sheet (c) a raincoat (d) a cooking pot handle
18. 18.🏋️ A force of 390 N did 3900 J of work. How many metres did the object move?
19. 19.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) civil (b) biomedical (c) chemical (d) computer
20. 20.🔍 Which is the odd one out? (a) a flagpole rope wheel (b) a playground slide (c) a crane hook block (d) a window blind cord
21. 21.🔍 Which is the odd one out? (a) a flagpole rope wheel (b) a well-bucket rope wheel (c) a window blind cord (d) a steering wheel
22. 22.🔍 Which is the odd one out? (a) a screw jack (b) a jar lid (c) a round doorknob (d) a nut and bolt
23. 23.True or false: to use a new load each time is good testing. (a) True (b) False
24. 24.⚖️ Turning effect = force × … (a) distance from fulcrum (b) colour of bar (c) mass of fulcrum (d) time taken
25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
26. 26.True or false: a computer engineer plans a dam. (a) False (b) True
27. 27.🔺 Which shape keeps its shape best when its corners are pinned? (a) hexagon (b) triangle (c) square (d) rectangle
28. 28.🧑‍🔧 Which kind of engineer designs a gearbox? (a) electrical (b) civil (c) aerospace (d) mechanical
29. 29.🔢 To build and test a straw bridge, which is the FIRST step? (a) choose and draw one (b) load it with coins (c) build it with straws (d) read the challenge rules
30. 30.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) graphite (d) brass
31. 31.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
32. 32.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
34. 34.Which of these is an arch bridge? (a) a curve under the deck (b) a flat deck on piers (c) cables tied down at ends (d) a log across a stream
35. 35.🦺 What protects your eyes when sawing or drilling? (a) a cap (b) safety goggles (c) nothing (d) sunglasses
36. 36.🧪 A paper bridge was tested three times. It held 250 g, 100 g and 160 g. What is the mean (average) load it held, in grams?
37. 37.🌉 Which bridge type: “deck hangs from cables”? (a) arch bridge (b) suspension bridge (c) beam bridge
38. 38.🔺 Which strong shape does a crane arm use? (a) dome (b) beam (c) triangle (d) arch
39. 39.🔧 Which tool would you use to measure a long length? (a) a screwdriver (b) a hammer (c) a spanner (d) a tape measure
40. 40.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor

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