Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 88 · 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) a volcano (b) a mountain (c) a cloud (d) a lift
2. 2.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
3. 3.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) building tall and narrow (c) fitting rubber base pads (d) using a heavy roof
4. 4.🛞 The same block is pulled at a steady speed across four surfaces. The forces needed were: a glass sheet 2 N, a wooden plank 6 N, sandpaper 9 N, ice 1 N. Which surface gave the most friction? (a) ice (b) sandpaper (c) a wooden plank (d) a glass sheet
5. 5.🔄 What is the FIRST step of the engineering design process? (a) Improve (b) Ask (c) Test (d) Create
6. 6.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
7. 7.🌉 In a suspension bridge, the main cables are in … (a) compression (b) tension (c) no force (d) friction
8. 8.Which job is a tape measure for? (a) tighten a nut (b) smooth a rough edge (c) measure a long length (d) turn a screw
9. 9.🪝 A pulley system lifts a 640 N load with an effort of 160 N. What is its mechanical advantage (MA)?
10. 10.True or false: a river is made by engineers. (a) True (b) False
11. 11.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
12. 12.🔍 Which is the odd one out? (a) a door stopper (b) the tip of a nail (c) a flagpole rope wheel (d) a knife edge
13. 13.🛞 Friction acts … (a) only upwards (b) against the motion (c) with the motion (d) only on ice
14. 14.True or false: to wear safety goggles is safe. (a) False (b) True
15. 15.🔢 To follow the engineering design process, which comes first: “Improve” or “Plan”? (a) Plan (b) Improve
16. 16.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
17. 17.Which of these is caused by muscular force? (a) lifting a school bag (b) an apple falls down (c) shoes grip the floor (d) brakes stop a bicycle
18. 18.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) doubled (d) unbalanced
19. 19.🔺 Which strong shape does an igloo use? (a) triangle (b) dome (c) beam (d) arch
20. 20.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
21. 21.What does the builder do? (a) tracks what is used up (b) cuts and joins parts (c) checks the goals are met (d) keeps the design notes
22. 22.🔄 Which design-process step is it to measure its performance? (a) Test (b) Imagine (c) Create (d) Improve
23. 23.Which of these is made by engineers? (a) a coral reef (b) a mountain (c) a bridge (d) a volcano
24. 24.🔺 A frame shaped like a pentagon is made of straws joined by loose pins, with 0 corner-to-corner braces. Is it rigid or wobbly? (a) wobbly (b) rigid
25. 25.🪢 Tension or compression: a crane lifting cable? (a) compression (b) tension
26. 26.Which need does a water filter meet? (a) make water safe to drink (b) keep food fresh longer (c) see very tiny things (d) carry many people far
27. 27.♻️ Which energy source will never run out? (a) sunlight (b) petrol (c) coal (d) diesel
28. 28.🛠️ What does an engineer mainly do? (a) sells tickets (b) designs useful solutions (c) only paints pictures (d) grows crops
29. 29.🔍 Which is the odd one out? (a) a smooth steel slide (b) a rough doormat (c) chalk on a gym bar (d) sand on a slippery path
30. 30.⚖️ A lever bar balances. The load is 200 N at 20 cm from the fulcrum. The effort is 80 N at ? cm from the fulcrum on the other side. What is the missing distance in centimetres?
31. 31.True or false: a chemical engineer refines crude oil. (a) False (b) True
32. 32.Which of these is a pulley? (a) an axe blade (b) a crane hook block (c) a screw jack (d) a wheelchair ramp
33. 33.🛠️ People need to talk to someone far away. Which invention helps? (a) a solar panel (b) a tunnel (c) a telephone (d) a bridge
34. 34.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True
35. 35.🧪 Is it good or poor testing to repeat each test? (a) good testing (b) poor testing
36. 36.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
37. 37.What does the recorder do? (a) checks the goals are met (b) keeps the design notes (c) keeps the team on track (d) cuts and joins parts
38. 38.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
39. 39.True or false: “the simplest bridge” is a beam bridge. (a) True (b) False
40. 40.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle

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