Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 290 · 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.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
2. 2.🤝 A team of 3 shares 6 equal jobs fairly. Each job takes 2 minutes. How many minutes does each person work?
3. 3.🧪 Is it good or poor testing to use a new load each time? (a) poor testing (b) good testing
4. 4.🌉 A beam bridge 500 m long is split by piers into 10 equal spans. How long is each span, in metres?
5. 5.🛞 More or less friction: chalk on a gym bar? (a) less friction (b) more friction
6. 6.Which need does a water filter meet? (a) keep food fresh longer (b) make power from sunlight (c) cross a wide river (d) make water safe to drink
7. 7.True or false: closing a drawer is a push. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) a suspension cable (b) a temple column (c) a crane lifting cable (d) a hanging lamp chain
9. 9.🪝 A winch has a wheel of radius 20 cm and an axle of radius 4 cm. What effort on the wheel lifts a 100 N bucket on the axle, in newtons? (ideal)
10. 10.Which of these is recycle (make new things)? (a) buy less packaging (b) switch off unused lights (c) give old books away (d) melt cans into new cans
11. 11.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
12. 12.🧪 A paper bridge was tested three times. It held 340 g, 260 g and 330 g. What is the mean (average) load it held, in grams?
13. 13.🧑‍🔧 Which branch of engineering works on aeroplanes and rockets? (a) chemical (b) civil (c) aerospace (d) computer
14. 14.🪢 Which material is good in tension but useless in compression? (a) a concrete block (b) a brick (c) a rope (d) a stone
15. 15.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) biomedical (b) computer (c) chemical (d) civil
16. 16.True or false: a shelf on two brackets uses a beam. (a) False (b) True
17. 17.True or false: a well winch handle is a wheel and axle. (a) True (b) False
18. 18.True or false: to follow the plan to build is the Improve step. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) a bridge pier (b) a pillar under a roof (c) a suspension cable (d) a squeezed spring
20. 20.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 100 (d) 1000
21. 21.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.⚖️ A lever bar balances. The load is 140 N at 30 cm from the fulcrum. The effort is 60 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
23. 23.True or false: a civil engineer designs a metro tunnel. (a) False (b) True
24. 24.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
25. 25.True or false: a fixed pulley needs effort = load. (a) True (b) False
26. 26.💪 A cart is pulled to the right with 90 N and to the left with 80 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
27. 27.⚖️ A lever bar balances. The load is 200 N at 50 cm from the fulcrum. The effort is 200 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
28. 28.🤝 Is it good or poor teamwork to hide a mistake? (a) good teamwork (b) poor teamwork
29. 29.🪢 Tension or compression: a squeezed spring? (a) tension (b) compression
30. 30.Which of these is a beam bridge? (a) deck hangs from cables (b) stones squeezed together (c) a curve under the deck (d) good for short gaps
31. 31.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 270 N at 90 cm from the fulcrum on the other side. What is the missing force in newtons?
32. 32.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
33. 33.True or false: a bridge helps people make power from sunlight. (a) True (b) False
34. 34.Which job does an electrical engineer do? (a) builds hospital scanners (b) designs a metro tunnel (c) plans a power grid (d) designs a gearbox
35. 35.True or false: natural gas is a renewable energy source. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a crane hook block (b) a truck loading ramp (c) a window blind cord (d) a flagpole rope wheel
37. 37.💪 Two children push a box to the right, one with 15 N and the other with 80 N. What is the net (total) force on the box, in newtons?
38. 38.True or false: oil on a squeaky hinge gives less friction. (a) False (b) True
39. 39.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
40. 40.🤝 A teammate’s idea seems odd. What should you do first? (a) listen and ask why (b) ignore it (c) walk away (d) laugh at it

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