Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 132 · 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 300 g. Does it meet the criterion? (a) Yes (b) No
2. 2.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
3. 3.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
5. 5.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) Yes (b) No
6. 6.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
8. 8.📋 Your team’s budget is ₹57. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
9. 9.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
10. 10.📋 Your team’s budget is ₹98. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
11. 11.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) be under 30 cm tall (d) fit on a school desk
13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
14. 14.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
15. 15.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
18. 18.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) Yes (b) No
19. 19.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
21. 21.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
23. 23.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
24. 24.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
25. 25.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
26. 26.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
29. 29.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
30. 30.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) use only paper and tape (d) finish in 40 minutes
33. 33.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
34. 34.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
35. 35.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
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.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
38. 38.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No

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