Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 516 · 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.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
3. 3.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
4. 4.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use only paper and tape (c) spend at most ₹100 (d) use at most 20 straws
6. 6.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
7. 7.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
9. 9.📋 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
10. 10.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
11. 11.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
13. 13.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
14. 14.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) be under 30 cm tall (b) hold up 500 g (c) carry 10 coins (d) float for 1 minute
16. 16.🔍 Which is the odd one out? (a) lift a cup of water (b) spend at most ₹100 (c) fit on a school desk (d) use at most 20 straws
17. 17.📋 Your team’s budget is ₹76. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
20. 20.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
21. 21.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
22. 22.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
24. 24.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
25. 25.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
26. 26.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
28. 28.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
30. 30.📋 Your team’s budget is ₹107. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
31. 31.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
32. 32.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
33. 33.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
34. 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
36. 36.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
37. 37.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) be under 30 cm tall (d) fit on a school desk
38. 38.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True

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