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Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 363 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🧑‍🔧 Which kind of engineer designs aeroplane wings? (a) aerospace (b) biomedical (c) chemical (d) civil
  2. 2.True or false: a rough doormat gives more friction. (a) False (b) True
  3. 3.True or false: a swing chain is in compression (pushed). (a) True (b) False
  4. 4.🔺 One side of a straw bridge is a row of 10 triangles standing point-up and point-down in turn, each sharing a side with the next. How many straws does it use?
  5. 5.Which of these is in compression (pushed)? (a) a swing chain (b) a crane lifting cable (c) a suspension cable (d) a tall bridge tower
  6. 6.🤝 A team of 4 shares 16 equal jobs fairly. Each job takes 8 minutes. How many minutes does each person work?
  7. 7.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 300 N at 50 cm from the fulcrum on the other side. What is the missing force in newtons?
  8. 8.True or false: to let adults use hot glue is not safe. (a) True (b) False
  9. 9.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🔄 Which design-process step is it to check it against goals? (a) Test (b) Plan (c) Improve (d) Create
  11. 11.True or false: a temple column is in tension (pulled). (a) False (b) True
  12. 12.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1200 bottles?
  13. 13.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
  14. 14.True or false: to use a new load each time is poor testing. (a) False (b) True
  15. 15.🤝 In a design team, who checks the goals are met? (a) tester (b) builder (c) recorder (d) materials manager
  16. 16.True or false: an aerospace engineer designs school networks. (a) False (b) True
  17. 17.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  18. 18.True or false: to give kind feedback is poor teamwork. (a) False (b) True
  19. 19.⚖️ A lever balances when … (a) the bar is short (b) the fulcrum moves (c) both weights are equal (d) turning effects match
  20. 20.♻️ Is diesel a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
  21. 21.🤝 Is it good or poor teamwork to listen to every idea? (a) poor teamwork (b) good teamwork
  22. 22.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) biomedical (b) civil (c) chemical (d) computer
  23. 23.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reuse (b) reduce (c) recycle
  24. 24.🏋️ A machine lifts a load of 30 N when you push with 10 N. What is its mechanical advantage (MA)?
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  26. 26.True or false: a mechanical engineer makes medicines in bulk. (a) True (b) False
  27. 27.True or false: a civil engineer lays out a highway. (a) False (b) True
  28. 28.🏋️ In which unit is work measured? (a) newton (N) (b) watt hour (c) metre (m) (d) joule (J)
  29. 29.🔢 To follow the engineering design process, which is the FIRST step? (a) Ask (b) Plan (c) Improve (d) Create
  30. 30.🪝 A pulley system has 3 rope sections holding up the load. To lift the load by 2 m, how many metres of rope must you pull?
  31. 31.🔍 Which is the odd one out? (a) a bridge (b) a dam (c) a cloud (d) a water filter
  32. 32.Which of these is a pulley? (a) a chisel (b) a bottle cap (c) a crane hook block (d) a playground slide
  33. 33.🔍 Which is the odd one out? (a) let adults use hot glue (b) put tools back after use (c) wear safety goggles (d) cut towards your hand
  34. 34.True or false: “a flat deck on piers” is a suspension bridge. (a) False (b) True
  35. 35.🏋️ Mechanical advantage (MA) = … (a) load ÷ effort (b) load + effort (c) effort ÷ load (d) load × effort
  36. 36.Which of these needs a transparent material? (a) a water tank (b) a magnifier lens (c) a yoga mat (d) an umbrella cover
  37. 37.True or false: a chemical engineer designs satellites. (a) False (b) True
  38. 38.True or false: a wet tiled floor gives less friction. (a) True (b) False
  39. 39.🛞 Is friction helpful or a problem here: machine parts heating up? (a) a problem (b) helpful
  40. 40.🪝 A pulley system lifts a 160 N load with an effort of 80 N. What is its mechanical advantage (MA)?

Answer key

  1. aerospace
  2. True
  3. False
  4. 21
  5. a tall bridge tower
  6. 32
  7. 500
  8. False
  9. an insulator
  10. Test
  11. False
  12. 6
  13. No
  14. True
  15. tester
  16. False
  17. True
  18. False
  19. turning effects match
  20. non-renewable
  21. good teamwork
  22. civil
  23. reduce
  24. 3
  25. the effort
  26. False
  27. True
  28. joule (J)
  29. Ask
  30. 6
  31. a cloud
  32. a crane hook block
  33. cut towards your hand
  34. False
  35. load ÷ effort
  36. a magnifier lens
  37. False
  38. True
  39. a problem
  40. 2

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