Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 214 · 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 bridge type: “deck hangs from cables”? (a) beam bridge (b) arch bridge (c) suspension bridge
2. 2.Which of these makes a building less safe in earthquakes? (a) using a heavy roof (b) adding steel to concrete (c) keeping a simple shape (d) using a light roof
3. 3.🤝 A team of 5 shares 10 equal jobs fairly. Each job takes 8 minutes. How many minutes does each person work?
4. 4.🛞 More or less friction: a rough doormat? (a) more friction (b) less friction
5. 5.Which of these is reuse (use again)? (a) fix a dripping tap (b) pulp old paper (c) give old books away (d) melt cans into new cans
6. 6.🔄 Which design-process step is it to make it better, retest? (a) Create (b) Improve (c) Ask (d) Test
7. 7.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) brass (d) iron
8. 8.🪢 Tension is a force that … (a) pushes or squeezes (b) turns things (c) pulls or stretches (d) heats things
9. 9.True or false: a window blind cord is a lever. (a) True (b) False
10. 10.⚖️ Turning effect = force × … (a) mass of fulcrum (b) time taken (c) distance from fulcrum (d) colour of bar
11. 11.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.♻️ A project report has 36 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
13. 13.True or false: to guess, do not measure is good testing. (a) False (b) True
14. 14.⚙️ Most simple machines make work easier by letting us … (a) stop all friction (b) make new energy (c) switch off gravity (d) use a smaller force
15. 15.True or false: a skipping rope needs a flexible material. (a) True (b) False
16. 16.True or false: a movable pulley halves the effort. (a) True (b) False
17. 17.💪 Two children push a box to the right, one with 95 N and the other with 20 N. What is the net (total) force on the box, in newtons?
18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
19. 19.Which job does a biomedical engineer do? (a) designs knee implants (b) designs a gearbox (c) plans a space mission (d) builds a website
20. 20.🛠️ What does an engineer mainly do? (a) only paints pictures (b) grows crops (c) sells tickets (d) designs useful solutions
21. 21.💪 A cart is pulled to the right with 90 N and to the left with 85 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
22. 22.True or false: to repeat each test is good testing. (a) False (b) True
23. 23.True or false: to draw a labelled diagram is the Plan step. (a) False (b) True
24. 24.True or false: a bicycle frame uses a dome. (a) False (b) True
25. 25.True or false: to measure the same way is good testing. (a) False (b) True
26. 26.🛠️ Is a river made by engineers or found in nature? (a) found in nature (b) made by engineers
27. 27.Which of these is a pulley? (a) a flagpole rope wheel (b) a steering wheel (c) a wheelchair ramp (d) a screw jack
28. 28.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
29. 29.Which of these is a wheel and axle? (a) a door stopper (b) a truck loading ramp (c) a well-bucket rope wheel (d) a round doorknob
30. 30.True or false: to change only one thing is poor testing. (a) False (b) True
31. 31.🪝 A bucket weighing 80 N is lifted with a single fixed pulley at the top of a well. What effort is needed, in newtons? (ideal pulley, no friction)
32. 32.True or false: a hanging lamp chain is in compression (pushed). (a) False (b) True
33. 33.True or false: a crane hook block is a pulley. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) hide a failed test (b) guess, do not measure (c) use a new load each time (d) use the same load
35. 35.🪢 Tension or compression: a tug of war rope? (a) compression (b) tension
36. 36.🔺 One side of a straw bridge is a row of 2 triangles standing point-up and point-down in turn, each sharing a side with the next. How many straws does it use?
37. 37.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
38. 38.🧪 What is a prototype? (a) a sales poster (b) an early test model (c) a broken part (d) the final product
39. 39.🌉 In a stone arch bridge, the stones are in … (a) compression (b) friction (c) no force (d) tension
40. 40.🔧 Which tool would you use to check a shelf is level? (a) a protractor (b) a screwdriver (c) a spirit level (d) a hand drill

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