Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 910 · 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.🪝 What does a single fixed pulley change? (a) gravity (b) the direction of pull (c) the colour of rope (d) the size of the load
2. 2.🔺 A flat frame has 8 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?
3. 3.🏋️ A force of 440 N pushes a cart 1 m along the floor. How much work is done, in joules?
4. 4.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) keeping a simple shape (c) using a heavy roof (d) building tall and narrow
5. 5.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
6. 6.True or false: a railway track is made by engineers. (a) False (b) True
7. 7.🪢 A concrete slab weighing 13000 N rests evenly on 5 identical pillars. What compression force does each pillar carry, in newtons?
8. 8.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) building tall and narrow (c) stacking loose bricks (d) adding cross bracing
9. 9.🤝 In a design team, who collects the supplies? (a) builder (b) materials manager (c) tester (d) recorder
10. 10.💪 A bag has a mass of 36 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
11. 11.📐 A beam is 120 cm long. How long is it in metres? =
12. 12.🔺 Which shape keeps its shape best when its corners are pinned? (a) triangle (b) rectangle (c) hexagon (d) square
13. 13.🛠️ People need to cross a wide river. Which invention helps? (a) a lift (b) a water filter (c) a bridge (d) a telephone
14. 14.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they are cheap (c) they stop shaking (d) they bend, not break
15. 15.🛞 How can we reduce friction in a machine? (a) oil the moving parts (b) make parts rough (c) press parts harder (d) add sand
16. 16.🧑‍🔧 Which kind of engineer makes medicines in bulk? (a) electrical (b) biomedical (c) mechanical (d) chemical
17. 17.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) building tall and narrow (c) leaving out steel bars (d) adding steel to concrete
18. 18.🔧 Which tool would you use to measure a long length? (a) a spanner (b) a hand drill (c) a tape measure (d) a protractor
19. 19.🛞 Which surface gives the MOST friction to a sliding block? (a) polished marble (b) glass (c) sandpaper (d) ice
20. 20.True or false: to think of wild ideas is the Ask step. (a) False (b) True
21. 21.🦺 In the workshop, is it safe to cut away from your body? (a) not safe (b) safe
22. 22.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
23. 23.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 60 (d) 10
24. 24.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) stacking loose bricks (c) adding steel to concrete (d) keeping a simple shape
25. 25.🔍 Which is the odd one out? (a) making brittle joints (b) stacking loose bricks (c) using a heavy roof (d) adding cross bracing
26. 26.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.🧪 Why do engineers make prototypes? (a) to avoid testing (b) to sell them at once (c) to test ideas cheaply (d) to decorate a room
28. 28.⚙️ A wedge is … (a) a rope on a wheel (b) a bar on a pivot (c) two ramps back to back (d) a wheel on a rod
29. 29.Which job is a hand drill for? (a) measure an angle (b) make a hole in wood (c) measure a long length (d) cut a wooden plank
30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
31. 31.🧪 Why repeat a test three times? (a) the first is wrong (b) to use more paper (c) to get reliable results (d) it looks busy
32. 32.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) civil (b) aerospace (c) chemical (d) computer
33. 33.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
34. 34.⚖️ A lever bar balances. The load is 420 N at 10 cm from the fulcrum. The effort is ? N at 60 cm from the fulcrum on the other side. What is the missing force in newtons?
35. 35.🪝 A load of 920 N hangs from a pulley system in which 4 rope sections hold up the load. What effort is needed, in newtons? (ideal pulleys)
36. 36.Which of these is a wheel and axle? (a) a nutcracker (b) a knife edge (c) a well winch handle (d) a claw hammer on a nail
37. 37.🪝 Fixed or movable pulley: which one stays in one place? (a) a fixed pulley (b) a movable pulley
38. 38.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
39. 39.🤝 Is it good or poor teamwork to agree before changing? (a) poor teamwork (b) good teamwork
40. 40.🌉 Which bridge type can cross the widest gap in one span? (a) log bridge (b) arch bridge (c) suspension bridge (d) beam bridge

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