Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 65 · 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.📋 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
2. 2.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
4. 4.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
5. 5.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
9. 9.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
10. 10.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
11. 11.📋 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
12. 12.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
13. 13.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
15. 15.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
16. 16.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
17. 17.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
18. 18.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
19. 19.📋 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
20. 20.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
22. 22.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) finish in 40 minutes (d) use only paper and tape
23. 23.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
25. 25.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
26. 26.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
28. 28.📋 Your team’s budget is ₹99. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
30. 30.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.📋 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
32. 32.📋 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
33. 33.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) lift a cup of water (d) use only paper and tape
34. 34.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
35. 35.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
37. 37.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
38. 38.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹154. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?

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