Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 373 · 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 of these makes a building safer in earthquakes? (a) having a wide base (b) making brittle joints (c) leaving out steel bars (d) stacking loose bricks
2. 2.🛞 Why are tyres made with deep treads? (a) to save rubber (b) to look nice (c) to go slower (d) to grip the road
3. 3.🔍 Which is the odd one out? (a) using flexible joints (b) leaving out steel bars (c) raising heavy tanks high (d) building tall and narrow
4. 4.🔺 A frame shaped like a triangle is made of straws joined by loose pins, with 0 corner-to-corner braces. Is it rigid or wobbly? (a) wobbly (b) rigid
5. 5.🧪 A paper bridge was tested three times. It held 240 g, 190 g and 170 g. What is the mean (average) load it held, in grams?
6. 6.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 300 N at 70 cm from the fulcrum on the other side. What is the missing force in newtons?
7. 7.True or false: a cloud is made by engineers. (a) True (b) False
8. 8.🤝 Why do engineers work in teams? (a) to argue more (b) many skills and ideas (c) to work alone (d) to finish nothing
9. 9.🪢 A stage stands on 7 identical legs and each leg is squeezed with 1000 N. What is the total load on the stage, in newtons?
10. 10.🪝 What does a single fixed pulley change? (a) the colour of rope (b) the size of the load (c) gravity (d) the direction of pull
11. 11.Which of these needs an electrical conductor? (a) a water tank (b) the core of a wire (c) a car seat belt (d) an umbrella cover
12. 12.🧱 Which property matters most for a hair band? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
13. 13.🏋️ A force of 470 N did 2820 J of work. How many metres did the object move?
14. 14.⚖️ A lever bar balances. The load is ? N at 30 cm from the fulcrum. The effort is 150 N at 90 cm from the fulcrum on the other side. What is the missing force in newtons?
15. 15.🏚️ Why are flexible joints good in an earthquake? (a) they stop shaking (b) they bend, not break (c) they are cheap (d) they look nice
16. 16.🔍 Which is the odd one out? (a) using a heavy roof (b) stacking loose bricks (c) leaving out steel bars (d) adding cross bracing
17. 17.True or false: a telephone helps people talk to someone far away. (a) False (b) True
18. 18.True or false: to record every result is good testing. (a) False (b) True
19. 19.🧪 Three prototype bridges were tested with the same method. Design A held 370 g, design B held 270 g and design C held 320 g. Which design was the strongest? (a) design A (b) design C (c) design B
20. 20.🦺 Who should use hot glue guns and power tools in a kids’ project? (a) any child alone (b) an adult (c) a stranger (d) the youngest child
21. 21.🏋️ A smooth ramp is 9 m long and rises 3 m. What effort pushes a 2700 N box up it, in newtons? (ideal ramp, no friction)
22. 22.🧪 The first prototype held 150 g. After the team improved it, the new prototype held 160 g. How many more grams did it hold?
23. 23.Which of these is a beam bridge? (a) stones squeezed together (b) the simplest bridge (c) a curve under the deck (d) the longest spans of all
24. 24.True or false: to measure a long length, use a spirit level. (a) False (b) True
25. 25.🤝 Is it good or poor teamwork to blame others for faults? (a) poor teamwork (b) good teamwork
26. 26.🏋️ A 6 kg box is lifted straight up by 4 m. Taking 1 kg to weigh about 10 N, how much work is done, in joules?
27. 27.⚖️ A lever bar balances. The load is 40 N at 50 cm from the fulcrum. The effort is ? N at 20 cm from the fulcrum on the other side. What is the missing force in newtons?
28. 28.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
29. 29.Which job does a mechanical engineer do? (a) writes app software (b) wires a new building (c) designs hearing aids (d) designs bicycle gears
30. 30.🪝 A pulley system has 3 rope sections holding up the load. To lift the load by 6 m, how many metres of rope must you pull?
31. 31.⚙️ A screw is really … (a) a bent lever (b) a kind of wheel (c) a tiny pulley (d) a ramp wrapped round
32. 32.True or false: a bridge helps people cross a wide river. (a) True (b) False
33. 33.🧪 Why repeat a test three times? (a) the first is wrong (b) to use more paper (c) it looks busy (d) to get reliable results
34. 34.🏋️ A smooth ramp is 10 m long and rises 2 m. What effort pushes a 1000 N box up it, in newtons? (ideal ramp, no friction)
35. 35.🪝 A load of 60 N hangs from a pulley system in which 2 rope sections hold up the load. What effort is needed, in newtons? (ideal pulleys)
36. 36.🌉 In a suspension bridge, the main cables are in … (a) no force (b) tension (c) friction (d) compression
37. 37.🪝 A pulley system has 4 rope sections holding up the load. To lift the load by 4 m, how many metres of rope must you pull?
38. 38.🌉 Which bridge type: “cables tied down at ends”? (a) suspension bridge (b) arch bridge (c) beam bridge
39. 39.True or false: a civil engineer designs power lines. (a) True (b) False
40. 40.🛠️ People need to store water for summer. Which invention helps? (a) a microscope (b) a fridge (c) a dam (d) a water filter

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