Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 396 · 40 questions

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

1. 1.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
2. 2.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
3. 3.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
4. 4.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
5. 5.📋 Your team’s budget is ₹123. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
6. 6.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
7. 7.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
8. 8.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) be under 30 cm tall (d) roll at least 2 metres
11. 11.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) no, it breaks a limit (d) yes, always
12. 12.🔍 Which is the odd one out? (a) carry 10 coins (b) finish in 40 minutes (c) spend at most ₹100 (d) use only paper and tape
13. 13.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) spend at most ₹100 (d) lift a cup of water
14. 14.📋 Your team’s budget is ₹103. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) carry 10 coins (d) keep ice for 1 hour
16. 16.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
17. 17.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
18. 18.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
19. 19.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
20. 20.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) be under 30 cm tall (d) fit on a school desk
22. 22.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
24. 24.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
25. 25.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
26. 26.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
28. 28.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
30. 30.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
31. 31.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) No (b) Yes
32. 32.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) lift a cup of water (d) carry 10 coins
33. 33.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
34. 34.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
35. 35.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
38. 38.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) use only paper and tape (b) roll at least 2 metres (c) be under 30 cm tall (d) spend at most ₹100

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