Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 890 · 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 job does an aerospace engineer do? (a) writes app software (b) designs aeroplane wings (c) designs power lines (d) wires a new building
2. 2.🛞 Why are tyres made with deep treads? (a) to save rubber (b) to go slower (c) to look nice (d) to grip the road
3. 3.🪢 Tension or compression: a swing chain? (a) tension (b) compression
4. 4.🔄 After testing, a design does not work well. What comes next? (a) Ask (b) Improve (c) give up (d) Imagine
5. 5.What does the materials manager do? (a) keeps the design notes (b) runs the tests (c) tracks what is used up (d) cuts and joins parts
6. 6.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
7. 7.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
8. 8.🔍 Which is the odd one out? (a) a squeezed spring (b) a tow rope on a car (c) a hanging lamp chain (d) a swing chain
9. 9.True or false: an aerospace engineer designs satellites. (a) True (b) False
10. 10.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
11. 11.🏚️ Three solid model towers are made of the same material. Tower A is 80 cm tall on a 40 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 50 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
12. 12.🤝 A team of 3 shares 9 equal jobs fairly. Each job takes 7 minutes. How many minutes does each person work?
13. 13.🏋️ A force of 70 N pushes a cart 10 m along the floor. How much work is done, in joules?
14. 14.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
15. 15.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
16. 16.🏋️ A smooth ramp is 4 m long and rises 1 m. What effort pushes a 200 N box up it, in newtons? (ideal ramp, no friction)
17. 17.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
18. 18.🛞 More or less friction: skating on ice? (a) less friction (b) more friction
19. 19.⚖️ A seesaw balances. Asha (180 N) sits ? m from the pivot on one side; Zoya (540 N) sits 1 m from the pivot on the other side. What is the missing distance in metres?
20. 20.Which of these uses a dome? (a) a round palace roof (b) a crane arm (c) a curved stone doorway (d) a plank over a drain
21. 21.🔺 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?
22. 22.🔍 Which is the odd one out? (a) a seesaw (b) a wheelchair ramp (c) a crowbar (d) a claw hammer on a nail
23. 23.What does the tester do? (a) cuts and joins parts (b) puts the model together (c) shares out the jobs (d) checks the goals are met
24. 24.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) burn, bury, forget (c) reduce, reuse, recycle (d) recycle, reuse, reduce
25. 25.Which of these is a beam bridge? (a) tall towers hold cables (b) a log across a stream (c) cables tied down at ends (d) a curve under the deck
26. 26.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) using a heavy roof (c) raising heavy tanks high (d) fitting rubber base pads
27. 27.🧑‍🔧 Which branch of engineering uses engineering to help doctors? (a) electrical (b) civil (c) aerospace (d) biomedical
28. 28.🧑‍🔧 Which branch of engineering designs buildings, roads and bridges? (a) chemical (b) civil (c) computer (d) biomedical
29. 29.True or false: a squeezed spring is in compression (pushed). (a) False (b) True
30. 30.💪 A cart is pulled to the right with 35 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
31. 31.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) plastic (d) rubber
32. 32.⚙️ Which simple machine is a wood screw? (a) pulley (b) screw (c) wedge (d) wheel and axle
33. 33.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 10 cm wide base, tower B is 60 cm tall on a 10 cm base and tower C is 120 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
34. 34.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) brass (d) aluminium
35. 35.🏚️ Why is a wide base safer? (a) it is harder to tip over (b) it is lighter (c) it is colourful (d) it is taller
36. 36.🔄 Which design-process step is it to make a prototype? (a) Improve (b) Ask (c) Create (d) Plan
37. 37.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
38. 38.Which of these is found in nature? (a) a bridge (b) a water filter (c) a bicycle (d) a mountain
39. 39.True or false: a tunnel helps people go through a mountain. (a) True (b) False
40. 40.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?

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