Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 811 · 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.🧪 Three prototype bridges were tested with the same method. Design A held 150 g, design B held 100 g and design C held 200 g. Which design was the strongest? (a) design A (b) design C (c) design B
2. 2.True or false: a crane hook block is an inclined plane. (a) True (b) False
3. 3.🧪 Why do engineers make prototypes? (a) to test ideas cheaply (b) to sell them at once (c) to decorate a room (d) to avoid testing
4. 4.♻️ Is coal a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
5. 5.🔺 A beam bends under a load. Its top side is … (a) not affected (b) floating (c) squeezed (compression) (d) stretched (tension)
6. 6.🔍 Which is the odd one out? (a) skating on ice (b) a smooth steel slide (c) a wet tiled floor (d) chalk on a gym bar
7. 7.Which of these makes a building less safe in earthquakes? (a) raising heavy tanks high (b) having a wide base (c) using a light roof (d) adding cross bracing
8. 8.📐 A beam is 680 cm long. How long is it in metres? =
9. 9.🌉 A beam bridge is 60 m long. Piers split it into equal spans of 30 m. How many spans are there?
10. 10.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a carpet 10 N, ice 1 N, a glass sheet 3 N, a wooden plank 7 N. How many newtons more were needed on a carpet than on ice?
11. 11.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 10 (d) 1000
12. 12.🔍 Which is the odd one out? (a) float for 1 minute (b) finish in 40 minutes (c) keep ice for 1 hour (d) roll at least 2 metres
13. 13.🏋️ A smooth ramp is 6 m long and rises 2 m. What effort pushes a 2100 N box up it, in newtons? (ideal ramp, no friction)
14. 14.🧪 Three prototype bridges were tested with the same method. Design A held 350 g, design B held 300 g and design C held 400 g. Which design was the weakest? (a) design B (b) design A (c) design C
15. 15.True or false: a chemical engineer makes medicines in bulk. (a) False (b) True
16. 16.True or false: to use the same load is good testing. (a) False (b) True
17. 17.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
18. 18.True or false: a civil engineer writes app software. (a) True (b) False
19. 19.True or false: an aerospace engineer designs aeroplane wings. (a) False (b) True
20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
21. 21.🔺 One side of a straw bridge is a row of 2 triangles standing point-up and point-down in turn, each sharing a side with the next. How many straws does it use?
22. 22.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
23. 23.⚖️ Turning effect = force × … (a) mass of fulcrum (b) colour of bar (c) time taken (d) distance from fulcrum
24. 24.⚖️ A lever bar balances. The load is ? N at 10 cm from the fulcrum. The effort is 70 N at 30 cm from the fulcrum on the other side. What is the missing force in newtons?
25. 25.🧑‍🔧 Which kind of engineer writes app software? (a) computer (b) chemical (c) mechanical (d) civil
26. 26.True or false: a tow rope on a car is in compression (pushed). (a) True (b) False
27. 27.Which job is a saw for? (a) drive in a nail (b) cut a wooden plank (c) measure a long length (d) measure an angle
28. 28.🤝 A team of 2 shares 4 equal jobs fairly. Each job takes 10 minutes. How many minutes does each person work?
29. 29.True or false: a grippy rubber sole gives more friction. (a) False (b) True
30. 30.🔧 Which tool would you use to check a shelf is level? (a) a hand drill (b) a saw (c) a screwdriver (d) a spirit level
31. 31.🔢 To build and test a straw bridge, which is the FIRST step? (a) sketch three ideas (b) choose and draw one (c) strengthen the weak part (d) read the challenge rules
32. 32.Which of these is a suspension bridge? (a) deck hangs from cables (b) the simplest bridge (c) a curve under the deck (d) good for short gaps
33. 33.🔢 To follow the engineering design process, what comes right after “Create”? (a) Improve (b) Plan (c) Ask (d) Test
34. 34.🤝 Why do engineers work in teams? (a) to work alone (b) to argue more (c) many skills and ideas (d) to finish nothing
35. 35.⚖️ A lever balances when … (a) both weights are equal (b) turning effects match (c) the fulcrum moves (d) the bar is short
36. 36.🤝 In a design team, who runs the tests? (a) team leader (b) tester (c) recorder (d) builder
37. 37.🏋️ Pushing a crate 1 m took 260 J of work. What force was used, in newtons?
38. 38.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
39. 39.🛞 Is friction helpful or a problem here: a door hinge squeaking? (a) a problem (b) helpful
40. 40.⚖️ A lever bar balances. The load is 800 N at ? cm from the fulcrum. The effort is 400 N at 80 cm from the fulcrum on the other side. What is the missing distance in centimetres?

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