Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 18 · 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.🔍 Which is the odd one out? (a) raising heavy tanks high (b) using a light roof (c) having a wide base (d) fitting rubber base pads
2. 2.🤝 In a design team, who runs the tests? (a) materials manager (b) team leader (c) recorder (d) tester
3. 3.True or false: wind is a renewable energy source. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a window blind cord (b) a steering wheel (c) a well winch handle (d) a round doorknob
5. 5.♻️ Which energy source will never run out? (a) petrol (b) diesel (c) sunlight (d) coal
6. 6.⚖️ A seesaw balances. Arjun (220 N) sits 2 m from the pivot on one side; Ravi (220 N) sits ? m from the pivot on the other side. What is the missing distance in metres?
7. 7.Which of these is an arch bridge? (a) good for short gaps (b) cables tied down at ends (c) pushes out on its ends (d) the simplest bridge
8. 8.🔄 Which design-process step is it to find the limits? (a) Improve (b) Create (c) Imagine (d) Ask
9. 9.🧪 A paper bridge was tested three times. It held 290 g, 140 g and 260 g. What is the mean (average) load it held, in grams?
10. 10.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
11. 11.🏋️ Pushing a crate 4 m took 1840 J of work. What force was used, in newtons?
12. 12.Which need does a water filter meet? (a) store water for summer (b) make water safe to drink (c) cross a wide river (d) keep food fresh longer
13. 13.🌉 A beam bridge 150 m long is split by piers into 10 equal spans. How long is each span, in metres?
14. 14.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) chemical (b) civil (c) biomedical (d) computer
15. 15.Which of these happens in the Create step? (a) ask who will use it (b) brainstorm many ideas (c) make a prototype (d) try it out
16. 16.🪝 A bucket weighing 390 N is lifted with a single fixed pulley at the top of a well. What effort is needed, in newtons? (ideal pulley, no friction)
17. 17.🛞 More or less friction: chalk on a gym bar? (a) less friction (b) more friction
18. 18.🔄 In which step do engineers draw a labelled diagram? (a) Plan (b) Ask (c) Test (d) Improve
19. 19.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
20. 20.True or false: a yoga mat needs a transparent material. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a table leg (b) a crane lifting cable (c) a tent guy rope (d) a tug of war rope
22. 22.🏋️ A machine lifts a load of 260 N when you push with 130 N. What is its mechanical advantage (MA)?
23. 23.⚖️ A seesaw balances. Kabir (? N) sits 4 m from the pivot on one side; Zoya (680 N) sits 2 m from the pivot on the other side. What is the missing weight in newtons?
24. 24.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
25. 25.Which job does a civil engineer do? (a) plans a dam (b) builds rockets (c) designs factory machines (d) keeps data safe online
26. 26.♻️ Which is the BEST order to think about waste? (a) recycle, reuse, reduce (b) reduce, reuse, recycle (c) reuse, recycle, reduce (d) burn, bury, forget
27. 27.🧑‍🔧 Which branch of engineering uses engineering to help doctors? (a) civil (b) electrical (c) biomedical (d) aerospace
28. 28.⚖️ A lever bar balances. The load is 600 N at ? cm from the fulcrum. The effort is 400 N at 60 cm from the fulcrum on the other side. What is the missing distance in centimetres?
29. 29.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
30. 30.🔍 Which is the odd one out? (a) sand on a slippery path (b) a rough doormat (c) a tyre with deep treads (d) a wet tiled floor
31. 31.🔺 Why can an arch carry heavy loads? (a) it is very light (b) it works in compression (c) it is hollow (d) it bends easily
32. 32.🔍 Which is the odd one out? (a) cut away from your body (b) clamp wood before sawing (c) tie back long hair (d) leave tools on the floor
33. 33.🔄 Is the engineering design process done only once? (a) yes, only once (b) no, it repeats (c) only for big jobs (d) only on Sundays
34. 34.⚖️ A lever bar balances. The load is 40 N at ? cm from the fulcrum. The effort is 50 N at 40 cm from the fulcrum on the other side. What is the missing distance in centimetres?
35. 35.📐 A beam is 640 cm long. How long is it in metres? =
36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
37. 37.🔺 How do engineers stop a square frame from wobbling? (a) paint it (b) make it bigger (c) take off a side (d) add a diagonal brace
38. 38.🏋️ A smooth ramp is 6 m long and rises 1 m. What effort pushes a 4200 N box up it, in newtons? (ideal ramp, no friction)
39. 39.🧑‍🔧 Which kind of engineer plans a power grid? (a) electrical (b) aerospace (c) computer (d) mechanical
40. 40.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: sandpaper 10 N, ice 4 N, a glass sheet 5 N, a wooden plank 7 N. Which surface gave the least friction? (a) a wooden plank (b) a glass sheet (c) ice (d) sandpaper

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