Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 358 · 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 movable pulley is on a flagpole top. (a) True (b) False
2. 2.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
3. 3.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
4. 4.True or false: “deck hangs from cables” is a beam bridge. (a) False (b) True
5. 5.Which job does a mechanical engineer do? (a) designs knee implants (b) designs a paint factory (c) makes medicines in bulk (d) designs bicycle gears
6. 6.🔍 Which is the odd one out? (a) a squeezed spring (b) a tent guy rope (c) a brick at a wall base (d) a bridge pier
7. 7.🔧 Which tool would you use to measure a long length? (a) a saw (b) a spirit level (c) a tape measure (d) pliers
8. 8.🏋️ A machine lifts a load of 40 N when you push with 10 N. What is its mechanical advantage (MA)?
9. 9.True or false: adding cross bracing makes a building safer in earthquakes. (a) False (b) True
10. 10.True or false: “good for short gaps” is a suspension bridge. (a) False (b) True
11. 11.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a carpet 7 N, sandpaper 8 N, a glass sheet 1 N, a wooden plank 3 N. Which surface gave the least friction? (a) a glass sheet (b) a carpet (c) sandpaper (d) a wooden plank
12. 12.🧑‍🔧 Which branch of engineering designs machines with moving parts? (a) civil (b) mechanical (c) chemical (d) biomedical
13. 13.🤝 Why do engineers work in teams? (a) many skills and ideas (b) to argue more (c) to finish nothing (d) to work alone
14. 14.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
15. 15.⚖️ Turning effect = force × … (a) mass of fulcrum (b) distance from fulcrum (c) colour of bar (d) time taken
16. 16.🔄 Which design-process step is it to brainstorm many ideas? (a) Improve (b) Create (c) Imagine (d) Ask
17. 17.True or false: a biomedical engineer builds hospital scanners. (a) False (b) True
18. 18.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) using a heavy roof (c) building tall and narrow (d) adding cross bracing
19. 19.Which job does an aerospace engineer do? (a) designs a flyover (b) lays out a highway (c) plans a dam (d) plans a space mission
20. 20.Which job does a chemical engineer do? (a) designs car engines (b) designs satellites (c) writes app software (d) refines crude oil
21. 21.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
22. 22.True or false: to measure a long length, use a tape measure. (a) True (b) False
23. 23.🪢 Tension or compression: a temple column? (a) compression (b) tension
24. 24.🛠️ People need to cross a wide river. Which invention helps? (a) a microscope (b) a dam (c) a bridge (d) a train
25. 25.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
26. 26.Which of these is made by engineers? (a) a mobile phone (b) a coral reef (c) a mountain (d) a cloud
27. 27.🪢 A sign weighing 600 N hangs from 3 identical vertical ropes that share the load equally. What is the tension in each rope, in newtons?
28. 28.True or false: a box pushed on carpet gives less friction. (a) False (b) True
29. 29.🏋️ A longer ramp to the same height needs … (a) more effort (b) no effort (c) the same effort (d) less effort
30. 30.🧪 Three prototype bridges were tested with the same method. Design A held 290 g, design B held 340 g and design C held 390 g. Which design was the weakest? (a) design B (b) design A (c) design C
31. 31.🧪 The first prototype held 50 g. After the team improved it, the new prototype held 230 g. How many more grams did it hold?
32. 32.True or false: to check a shelf is level, use a spirit level. (a) False (b) True
33. 33.True or false: a tyre with deep treads gives more friction. (a) False (b) True
34. 34.🛠️ People need to keep food fresh longer. Which invention helps? (a) a tunnel (b) a lift (c) a microscope (d) a fridge
35. 35.🔢 To follow the engineering design process, which is the LAST step? (a) Imagine (b) Improve (c) Create (d) Test
36. 36.🏚️ Three solid model towers are made of the same material. Tower A is 240 cm tall on a 40 cm wide base, tower B is 200 cm tall on a 40 cm base and tower C is 80 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
37. 37.True or false: to use the same load is poor testing. (a) False (b) True
38. 38.Which job is pliers for? (a) check a shelf is level (b) turn a screw (c) grip and bend wire (d) measure an angle
39. 39.Which of these happens in the Create step? (a) dream up possible fixes (b) list the materials (c) define the problem (d) make a prototype
40. 40.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False

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