Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 759 · 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.🌉 In a stone arch bridge, the stones are in … (a) friction (b) tension (c) compression (d) no force
2. 2.🔢 To build and test a straw bridge, what comes right after “build it with straws”? (a) sketch three ideas (b) strengthen the weak part (c) load it with coins (d) choose and draw one
3. 3.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
4. 4.🧪 Three prototype bridges were tested with the same method. Design A held 200 g, design B held 250 g and design C held 150 g. Which design was the weakest? (a) design C (b) design A (c) design B
5. 5.Which of these is reuse (use again)? (a) carry a cloth bag (b) use a jar as a pen stand (c) print on both sides (d) melt glass into new jars
6. 6.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
7. 7.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 30 cm wide base, tower B is 100 cm tall on a 20 cm base and tower C is 180 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
8. 8.🛠️ People need to make water safe to drink. Which invention helps? (a) a water filter (b) a fridge (c) a solar panel (d) a microscope
9. 9.🔍 Which is the odd one out? (a) record every result (b) skip writing results (c) test it only once (d) use a new load each time
10. 10.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
11. 11.True or false: a chemical engineer designs car engines. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a seashell (b) a coral reef (c) a bridge (d) a river
13. 13.🤝 A team of 4 shares 12 equal jobs fairly. Each job takes 10 minutes. How many minutes does each person work?
14. 14.⚖️ A seesaw balances. Ravi (400 N) sits 4 m from the pivot on one side; Asha (400 N) sits ? m from the pivot on the other side. What is the missing distance in metres?
15. 15.🏋️ Pushing a crate 7 m took 2590 J of work. What force was used, in newtons?
16. 16.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
17. 17.True or false: a curved stone doorway uses a dome. (a) True (b) False
18. 18.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a carpet 3 N, sandpaper 7 N, ice 1 N, a glass sheet 2 N. How many newtons more were needed on sandpaper than on ice?
19. 19.🔍 Which is the odd one out? (a) a road up a hill (b) a playground slide (c) a chisel (d) a wheelchair ramp
20. 20.🏋️ Mechanical advantage (MA) = … (a) load ÷ effort (b) effort ÷ load (c) load × effort (d) load + effort
21. 21.True or false: a lintel over a door uses a beam. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) hold up 500 g (d) float for 1 minute
23. 23.🔺 A flat frame has 6 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?
24. 24.Which job does a mechanical engineer do? (a) builds rockets (b) lays out a highway (c) designs power lines (d) designs bicycle gears
25. 25.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
26. 26.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
27. 27.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
28. 28.🔍 Which is the odd one out? (a) fitting rubber base pads (b) using flexible joints (c) using a heavy roof (d) keeping a simple shape
29. 29.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) nothing (d) the effort
30. 30.🔍 Which is the odd one out? (a) a wet tiled floor (b) chalk on a gym bar (c) sand on a slippery path (d) a tyre with deep treads
31. 31.🤝 A team of 3 shares 12 equal jobs fairly. Each job takes 3 minutes. How many minutes does each person work?
32. 32.🛞 Which surface gives the MOST friction to a sliding block? (a) polished marble (b) sandpaper (c) ice (d) glass
33. 33.Which of these is a screw? (a) a chisel (b) a claw hammer on a nail (c) a jar lid (d) a well winch handle
34. 34.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.🤝 A team plans for 35 minutes, builds for 55 minutes and then tests for 30 minutes, one after another. How many minutes is that in all?
36. 36.True or false: to grip and bend wire, use a hammer. (a) False (b) True
37. 37.🤝 Is it good or poor teamwork to ignore the team plan? (a) poor teamwork (b) good teamwork
38. 38.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: sandpaper 11 N, ice 2 N, a wooden plank 5 N, a carpet 9 N. Which surface gave the most friction? (a) a carpet (b) sandpaper (c) a wooden plank (d) ice
39. 39.Which of these happens in the Imagine step? (a) list the materials (b) think of wild ideas (c) define the problem (d) measure its performance
40. 40.🔧 Which tool would you use to measure an angle? (a) a saw (b) a tape measure (c) a hand drill (d) a protractor

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids