Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 794 · 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 tyre with deep treads gives more friction. (a) False (b) True
2. 2.True or false: to check a shelf is level, use a spirit level. (a) True (b) False
3. 3.True or false: skating on ice gives less friction. (a) True (b) False
4. 4.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
5. 5.🧪 Three prototype bridges were tested with the same method. Design A held 280 g, design B held 180 g and design C held 230 g. Which design was the weakest? (a) design A (b) design C (c) design B
6. 6.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
7. 7.⚖️ A lever bar balances. The load is 210 N at 40 cm from the fulcrum. The effort is 280 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
8. 8.Which of these is a suspension bridge? (a) a flat deck on piers (b) good for short gaps (c) stones squeezed together (d) a rope bridge in hills
9. 9.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.🦺 Who should use hot glue guns and power tools in a kids’ project? (a) an adult (b) any child alone (c) the youngest child (d) a stranger
11. 11.🧪 Is it good or poor testing to repeat each test? (a) good testing (b) poor testing
12. 12.🧪 Is it good or poor testing to measure the same way? (a) good testing (b) poor testing
13. 13.🪝 More rope sections holding a load means … (a) less effort needed (b) more effort needed (c) the load floats (d) no change
14. 14.🪝 A winch has a wheel of radius 28 cm and an axle of radius 4 cm. What effort on the wheel lifts a 1190 N bucket on the axle, in newtons? (ideal)
15. 15.True or false: to follow the plan to build is the Create step. (a) True (b) False
16. 16.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) sunlight (d) coal
17. 17.Which of these is a wheel and axle? (a) a steering wheel (b) a chisel (c) a crowbar (d) a window blind cord
18. 18.⚙️ How many simple machines are there in the usual list? (a) 12 (b) 3 (c) 10 (d) 6
19. 19.True or false: using a light roof makes a building less safe in earthquakes. (a) False (b) True
20. 20.Which job does a computer engineer do? (a) designs a gearbox (b) designs a flyover (c) designs power lines (d) keeps data safe online
21. 21.🧪 The first prototype held 100 g. After the team improved it, the new prototype held 280 g. How many more grams did it hold?
22. 22.🔍 Which is the odd one out? (a) a wet tiled floor (b) a wheel on ball bearings (c) a smooth steel slide (d) a grippy rubber sole
23. 23.🔄 Which design-process step is it to think of wild ideas? (a) Create (b) Ask (c) Plan (d) Imagine
24. 24.Which of these is in compression (pushed)? (a) a stretched rubber band (b) a swing chain (c) a tall bridge tower (d) a tow rope on a car
25. 25.🤝 Is it good or poor teamwork to give kind feedback? (a) good teamwork (b) poor teamwork
26. 26.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
27. 27.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
28. 28.🏋️ A force of 350 N did 1400 J of work. How many metres did the object move?
29. 29.⚙️ Which simple machine is a knife edge? (a) inclined plane (b) wedge (c) pulley (d) wheel and axle
30. 30.🛞 Friction acts … (a) against the motion (b) with the motion (c) only upwards (d) only on ice
31. 31.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
32. 32.🏋️ A smooth ramp is 4 m long and rises 2 m. What effort pushes a 1900 N box up it, in newtons? (ideal ramp, no friction)
33. 33.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.🔺 Which shape keeps its shape best when its corners are pinned? (a) square (b) rectangle (c) triangle (d) hexagon
35. 35.🔍 Which is the odd one out? (a) use a new load each time (b) record every result (c) use the same load (d) change only one thing
36. 36.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
37. 37.🔍 Which is the odd one out? (a) keeping a simple shape (b) using a heavy roof (c) adding steel to concrete (d) using flexible joints
38. 38.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) chemical (b) biomedical (c) civil (d) computer
39. 39.🏋️ A machine lifts a load of 550 N when you push with 110 N. What is its mechanical advantage (MA)?
40. 40.🪝 Fixed or movable pulley: which one needs effort = load? (a) a movable pulley (b) a fixed pulley

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