Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 65 · 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.🔢 To follow the engineering design process, what comes right after “Imagine”? (a) Create (b) Test (c) Plan (d) Improve
2. 2.🔧 Which tool would you use to turn a screw? (a) sandpaper (b) a saw (c) a screwdriver (d) a tape measure
3. 3.🔍 Which is the odd one out? (a) building tall and narrow (b) fitting rubber base pads (c) keeping a simple shape (d) adding cross bracing
4. 4.True or false: a flagpole rope wheel is a pulley. (a) False (b) True
5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
6. 6.True or false: a microscope helps people see very tiny things. (a) True (b) False
7. 7.⚖️ A seesaw balances. Meena (300 N) sits 2 m from the pivot on one side; Ravi (300 N) sits ? m from the pivot on the other side. What is the missing distance in metres?
8. 8.🌉 A beam bridge is 60 m long. Piers split it into equal spans of 15 m. How many spans are there?
9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
10. 10.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a telescope (b) a microscope (c) a shake table (d) a fridge
11. 11.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) civil (b) computer (c) chemical (d) biomedical
13. 13.🏋️ A force of 260 N pushes a cart 3 m along the floor. How much work is done, in joules?
14. 14.🛞 Rubbing your hands fast makes them … (a) warm (b) cold (c) wet (d) magnetic
15. 15.🏋️ A 20 kg box is lifted straight up by 5 m. Taking 1 kg to weigh about 10 N, how much work is done, in joules?
16. 16.🧪 Is it good or poor testing to repeat each test? (a) good testing (b) poor testing
17. 17.True or false: biogas from waste is a renewable energy source. (a) False (b) True
18. 18.Which of these is found in nature? (a) a ceiling fan (b) a water filter (c) a bicycle (d) a seashell
19. 19.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
21. 21.Which need does a dam meet? (a) carry many people far (b) store water for summer (c) talk to someone far away (d) make water safe to drink
22. 22.🤝 In a design team, who tracks what is used up? (a) recorder (b) builder (c) materials manager (d) team leader
23. 23.🪝 What does a single fixed pulley change? (a) the size of the load (b) the colour of rope (c) the direction of pull (d) gravity
24. 24.True or false: a dam is made by engineers. (a) True (b) False
25. 25.🛠️ Is a cloud made by engineers or found in nature? (a) made by engineers (b) found in nature
26. 26.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a wooden plank 4 N, a carpet 7 N, sandpaper 8 N, ice 3 N. Which surface gave the least friction? (a) sandpaper (b) a carpet (c) ice (d) a wooden plank
27. 27.True or false: a waterfall is found in nature. (a) True (b) False
28. 28.🔢 To build and test a straw bridge, which comes first: “load it with coins” or “choose and draw one”? (a) load it with coins (b) choose and draw one
29. 29.🪢 A stage stands on 6 identical legs and each leg is squeezed with 700 N. What is the total load on the stage, in newtons?
30. 30.🪢 A sign weighing 200 N hangs from 5 identical vertical ropes that share the load equally. What is the tension in each rope, in newtons?
31. 31.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.🔍 Which is the odd one out? (a) a nut and bolt (b) a bottle opener (c) a screw jack (d) a wood screw
33. 33.True or false: a tug of war is a push. (a) True (b) False
34. 34.🪢 Tension is a force that … (a) pushes or squeezes (b) turns things (c) pulls or stretches (d) heats things
35. 35.🧑‍🔧 Which branch of engineering designs machines with moving parts? (a) mechanical (b) biomedical (c) chemical (d) civil
36. 36.True or false: a stone in an arch is in compression (pushed). (a) True (b) False
37. 37.🔢 To build and test a straw bridge, which comes first: “choose and draw one” or “strengthen the weak part”? (a) choose and draw one (b) strengthen the weak part
38. 38.True or false: to find the limits is the Plan step. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a steering wheel (b) a well winch handle (c) a knife edge (d) a water tap handle
40. 40.🧪 A paper bridge was tested three times. It held 430 g, 340 g and 280 g. What is the mean (average) load it held, in grams?

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