Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 608 · 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 simple machine is a crowbar? (a) lever (b) wedge (c) pulley (d) inclined plane
2. 2.Which job does a biomedical engineer do? (a) designs a gearbox (b) designs a metro tunnel (c) plans a space mission (d) designs hearing aids
3. 3.True or false: a computer engineer designs aeroplane wings. (a) True (b) False
4. 4.🏋️ A force of 160 N did 1600 J of work. How many metres did the object move?
5. 5.⚙️ Most simple machines make work easier by letting us … (a) use a smaller force (b) stop all friction (c) make new energy (d) switch off gravity
6. 6.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 m long. How long is it on the plan, in centimetres?
8. 8.🤝 In a design team, who writes down results? (a) builder (b) recorder (c) materials manager (d) tester
9. 9.Which of these needs a heat insulator? (a) the core of a wire (b) a tea flask lining (c) a car windscreen (d) a hair band
10. 10.⚖️ A lever bar balances. The load is 450 N at ? cm from the fulcrum. The effort is 50 N at 90 cm from the fulcrum on the other side. What is the missing distance in centimetres?
11. 11.🧪 The first prototype held 60 g. After the team improved it, the new prototype held 210 g. How many more grams did it hold?
12. 12.Which job does an aerospace engineer do? (a) refines crude oil (b) plans a dam (c) builds rockets (d) wires a new building
13. 13.🔍 Which is the odd one out? (a) skating on ice (b) a smooth steel slide (c) a wheel on ball bearings (d) chalk on a gym bar
14. 14.🪝 A load of 360 N hangs from a pulley system in which 3 rope sections hold up the load. What effort is needed, in newtons? (ideal pulleys)
15. 15.🛞 How can we reduce friction in a machine? (a) add sand (b) oil the moving parts (c) make parts rough (d) press parts harder
16. 16.🔍 Which is the odd one out? (a) a table leg (b) a swing chain (c) a stretched rubber band (d) a crane lifting cable
17. 17.True or false: a computer engineer designs electric motors. (a) False (b) True
18. 18.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
19. 19.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
21. 21.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) fit on a school desk (d) carry 10 coins
22. 22.🔺 A flat frame has 7 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?
23. 23.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) fit on a school desk (d) finish in 40 minutes
24. 24.🧑‍🔧 Which kind of engineer wires a new building? (a) electrical (b) chemical (c) civil (d) computer
25. 25.True or false: a bicycle frame uses a dome. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) roll at least 2 metres (b) spend at most ₹100 (c) use only paper and tape (d) be under 30 cm tall
27. 27.🔺 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?
28. 28.🔧 Which tool would you use to smooth a rough edge? (a) a tape measure (b) a screwdriver (c) sandpaper (d) pliers
29. 29.True or false: an axe blade is a wedge. (a) True (b) False
30. 30.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
31. 31.⚙️ A wedge is … (a) a wheel on a rod (b) a bar on a pivot (c) two ramps back to back (d) a rope on a wheel
32. 32.🛠️ Is a lift made by engineers or found in nature? (a) found in nature (b) made by engineers
33. 33.🔢 To follow the engineering design process, which is the FIRST step? (a) Ask (b) Imagine (c) Test (d) Plan
34. 34.Which of these makes a building less safe in earthquakes? (a) using flexible joints (b) keeping a simple shape (c) adding steel to concrete (d) building tall and narrow
35. 35.🪢 Which material is good in tension but useless in compression? (a) a concrete block (b) a brick (c) a stone (d) a rope
36. 36.🔄 What is the FIRST step of the engineering design process? (a) Create (b) Test (c) Improve (d) Ask
37. 37.Which of these is reduce (use less)? (a) buy less packaging (b) reuse gift paper (c) melt glass into new jars (d) turn plastic into tiles
38. 38.True or false: a car seat belt needs a flexible material. (a) True (b) False
39. 39.♻️ Is sunlight a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
40. 40.🔺 A flat frame has 5 straight sides joined by loose pins at the corners. What is the least number of corner-to-corner braces needed to make it rigid?

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