Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 35 · 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.🏋️ A machine lifts a load of 250 N when you push with 50 N. What is its mechanical advantage (MA)?
2. 2.True or false: to measure a long length, use a tape measure. (a) True (b) False
3. 3.🪝 Fixed or movable pulley: which one halves the effort? (a) a fixed pulley (b) a movable pulley
4. 4.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) False (b) True
5. 5.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
6. 6.🔢 To build and test a straw bridge, which comes first: “sketch three ideas” or “build it with straws”? (a) build it with straws (b) sketch three ideas
7. 7.🔄 What is the FIRST step of the engineering design process? (a) Ask (b) Improve (c) Create (d) Test
8. 8.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.🔄 In which step do engineers draw a labelled diagram? (a) Test (b) Improve (c) Plan (d) Ask
10. 10.🔢 To follow the engineering design process, which is the LAST step? (a) Create (b) Improve (c) Test (d) Imagine
11. 11.True or false: adding steel to concrete makes a building safer in earthquakes. (a) True (b) False
12. 12.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a glass sheet 2 N, a wooden plank 6 N, a carpet 10 N, sandpaper 13 N. Which surface gave the least friction? (a) a wooden plank (b) a carpet (c) sandpaper (d) a glass sheet
13. 13.🔢 To build and test a straw bridge, which comes first: “load it with coins” or “sketch three ideas”? (a) sketch three ideas (b) load it with coins
14. 14.🔍 Which is the odd one out? (a) leaving out steel bars (b) adding cross bracing (c) having a wide base (d) using flexible joints
15. 15.Which of these happens in the Test step? (a) think of wild ideas (b) draw a labelled diagram (c) ask who will use it (d) measure its performance
16. 16.🛠️ Is a water filter made by engineers or found in nature? (a) found in nature (b) made by engineers
17. 17.🏋️ A force of 170 N pushes a cart 5 m along the floor. How much work is done, in joules?
18. 18.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
19. 19.True or false: a yoga mat needs a heat insulator. (a) False (b) True
20. 20.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
21. 21.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
22. 22.🤝 A team of 2 shares 10 equal jobs fairly. Each job takes 9 minutes. How many minutes does each person work?
23. 23.🌉 Which bridge type: “pushes out on its ends”? (a) beam bridge (b) suspension bridge (c) arch bridge
24. 24.🔍 Which is the odd one out? (a) a seesaw (b) a nutcracker (c) a steering wheel (d) a crowbar
25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
26. 26.True or false: a banyan tree is made by engineers. (a) True (b) False
27. 27.True or false: to listen to every idea is poor teamwork. (a) True (b) False
28. 28.Which of these is made by engineers? (a) a banyan tree (b) a seashell (c) a cloud (d) a railway track
29. 29.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
30. 30.Which of these is a suspension bridge? (a) a flat deck on piers (b) a log across a stream (c) pushes out on its ends (d) tall towers hold cables
31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.🪝 What does a single fixed pulley change? (a) the direction of pull (b) gravity (c) the colour of rope (d) the size of the load
33. 33.🤝 In a design team, who writes down results? (a) recorder (b) materials manager (c) tester (d) builder
34. 34.True or false: to use a new load each time is poor testing. (a) True (b) False
35. 35.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 90 N at 40 cm from the fulcrum on the other side. What is the missing force in newtons?
36. 36.🪝 Fixed or movable pulley: which one only changes direction? (a) a movable pulley (b) a fixed pulley
37. 37.🤝 In a design team, who tracks what is used up? (a) materials manager (b) team leader (c) tester (d) recorder
38. 38.True or false: an electrical engineer designs a gearbox. (a) True (b) False
39. 39.📋 Your team’s budget is ₹96. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
40. 40.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?

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