Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 125 · 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.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
2. 2.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
4. 4.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
5. 5.🪝 Fixed or movable pulley: which one needs effort = load? (a) a fixed pulley (b) a movable pulley
6. 6.🌉 In a suspension bridge, the main cables are in … (a) no force (b) compression (c) tension (d) friction
7. 7.True or false: an igloo uses a beam. (a) False (b) True
8. 8.Which job is sandpaper for? (a) drive in a nail (b) turn a screw (c) grip and bend wire (d) smooth a rough edge
9. 9.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 700 bottles?
10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
11. 11.🌉 Which bridge type: “stones squeezed together”? (a) arch bridge (b) suspension bridge (c) beam bridge
12. 12.🛞 More or less friction: a tyre with deep treads? (a) more friction (b) less friction
13. 13.🤝 In a design team, who keeps the design notes? (a) tester (b) materials manager (c) builder (d) recorder
14. 14.True or false: having a wide base makes a building safer in earthquakes. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) plastic (d) clay pottery
16. 16.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 1000 (d) 100
17. 17.True or false: “a rope bridge in hills” is a suspension bridge. (a) False (b) True
18. 18.⚖️ Turning effect = force × … (a) colour of bar (b) mass of fulcrum (c) time taken (d) distance from fulcrum
19. 19.What does the recorder do? (a) shares out the jobs (b) writes down results (c) puts the model together (d) runs the tests
20. 20.True or false: a tow rope on a car is in compression (pushed). (a) False (b) True
21. 21.🔺 Which shape keeps its shape best when its corners are pinned? (a) rectangle (b) hexagon (c) square (d) triangle
22. 22.Which of these is found in nature? (a) a dam (b) a bicycle (c) a mountain (d) a railway track
23. 23.🔄 Which design-process step is it to redesign after testing? (a) Improve (b) Create (c) Test (d) Ask
24. 24.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a telescope (b) a microscope (c) a fridge (d) a shake table
25. 25.True or false: to define the problem is the Ask step. (a) True (b) False
26. 26.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a glass sheet 8 N, a wooden plank 12 N, sandpaper 15 N, ice 4 N. How many newtons more were needed on sandpaper than on ice?
27. 27.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
28. 28.True or false: to cut towards your hand is not safe. (a) False (b) True
29. 29.🧪 Three prototype bridges were tested with the same method. Design A held 230 g, design B held 280 g and design C held 330 g. Which design was the weakest? (a) design C (b) design A (c) design B
30. 30.⚖️ A seesaw balances. Ravi (100 N) sits 1 m from the pivot on one side; Zoya (? N) sits 1 m from the pivot on the other side. What is the missing weight in newtons?
31. 31.🤝 In a design team, who checks the goals are met? (a) tester (b) team leader (c) builder (d) materials manager
32. 32.True or false: to skip writing results is good testing. (a) True (b) False
33. 33.Which of these uses triangles? (a) a crane arm (b) a plank over a drain (c) a fort gateway (d) an old stone bridge
34. 34.⚙️ Which simple machine is a screw jack? (a) wedge (b) inclined plane (c) wheel and axle (d) screw
35. 35.🪢 Tension or compression: a tow rope on a car? (a) tension (b) compression
36. 36.🔺 One side of a straw bridge is a row of 6 triangles standing point-up and point-down in turn, each sharing a side with the next. How many straws does it use?
37. 37.⚙️ Which simple machine is a water tap handle? (a) pulley (b) wedge (c) wheel and axle (d) screw
38. 38.Which of these is reuse (use again)? (a) print on both sides (b) melt glass into new jars (c) refill a water bottle (d) buy less packaging
39. 39.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
40. 40.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True

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