Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 342 · 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 window pane needs a heat insulator. (a) False (b) True
2. 2.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: sandpaper 16 N, ice 4 N, a wooden plank 8 N, a carpet 12 N. How many newtons more were needed on sandpaper than on ice?
3. 3.Which of these is a beam bridge? (a) a curve under the deck (b) stones squeezed together (c) cables tied down at ends (d) a flat deck on piers
4. 4.True or false: to smooth a rough edge, use a hammer. (a) True (b) False
5. 5.🧪 Why do engineers make prototypes? (a) to sell them at once (b) to decorate a room (c) to test ideas cheaply (d) to avoid testing
6. 6.🛞 More or less friction: oil on a squeaky hinge? (a) less friction (b) more friction
7. 7.True or false: to tighten a nut, use a screwdriver. (a) False (b) True
8. 8.Which need does a solar panel meet? (a) talk to someone far away (b) store water for summer (c) make water safe to drink (d) make power from sunlight
9. 9.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
10. 10.Which job is a tape measure for? (a) tighten a nut (b) measure a long length (c) check a shelf is level (d) cut a wooden plank
11. 11.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 180 N at 80 cm from the fulcrum on the other side. What is the missing force in newtons?
12. 12.🤝 Is it good or poor teamwork to hide a mistake? (a) good teamwork (b) poor teamwork
13. 13.🔄 Which design-process step is it to pick the build order? (a) Create (b) Ask (c) Plan (d) Imagine
14. 14.⚙️ A screw is really … (a) a bent lever (b) a ramp wrapped round (c) a tiny pulley (d) a kind of wheel
15. 15.🧪 Three prototype bridges were tested with the same method. Design A held 220 g, design B held 270 g and design C held 170 g. Which design was the weakest? (a) design A (b) design B (c) design C
16. 16.🔄 After testing, a design does not work well. What comes next? (a) Imagine (b) Improve (c) Ask (d) give up
17. 17.♻️ A sustainable design … (a) protects the future (b) wastes water (c) uses the most plastic (d) lasts one day
18. 18.Which of these needs a heat insulator? (a) a cooking pot handle (b) an umbrella cover (c) a boat hull (d) a switch contact
19. 19.Which job does a biomedical engineer do? (a) designs artificial limbs (b) designs a paint factory (c) keeps data safe online (d) refines crude oil
20. 20.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) brass (d) iron
21. 21.🏋️ Pushing a crate 2 m took 680 J of work. What force was used, in newtons?
22. 22.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
23. 23.🪝 What does a single fixed pulley change? (a) the size of the load (b) gravity (c) the direction of pull (d) the colour of rope
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.🔺 Which strong shape does a lintel over a door use? (a) dome (b) beam (c) triangle (d) arch
26. 26.🔢 To follow the engineering design process, which is the LAST step? (a) Create (b) Imagine (c) Ask (d) Improve
27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
28. 28.🔍 Which is the odd one out? (a) a mobile phone (b) a coral reef (c) a bridge (d) a dam
29. 29.🛠️ People need to go through a mountain. Which invention helps? (a) a dam (b) a tunnel (c) a train (d) a bridge
30. 30.Which job is a screwdriver for? (a) make a hole in wood (b) measure an angle (c) drive in a nail (d) turn a screw
31. 31.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) chemical (b) civil (c) aerospace (d) computer
32. 32.🌉 Which bridge type: “a flat deck on piers”? (a) beam bridge (b) suspension bridge (c) arch bridge
33. 33.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.True or false: a bicycle frame uses a beam. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) a truck loading ramp (b) a flagpole rope wheel (c) a well-bucket rope wheel (d) a crane hook block
36. 36.🔺 A frame shaped like a hexagon is made of straws joined by loose pins, with 0 corner-to-corner braces. Is it rigid or wobbly? (a) rigid (b) wobbly
37. 37.Which of these happens in the Improve step? (a) draw a labelled diagram (b) make it better, retest (c) ask who will use it (d) dream up possible fixes
38. 38.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
39. 39.🤝 Is it good or poor teamwork to give kind feedback? (a) good teamwork (b) poor teamwork
40. 40.⚖️ A lever bar balances. The load is 240 N at 40 cm from the fulcrum. The effort is 240 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?

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