Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 222 · 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 constraint is … (a) a goal for success (b) a limit you must keep to (c) a kind of glue (d) a final test
2. 2.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
3. 3.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
5. 5.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) no, it breaks a limit (d) only if it is red
6. 6.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
7. 7.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) keep ice for 1 hour (d) finish in 40 minutes
8. 8.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
9. 9.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
11. 11.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) spend at most ₹100 (d) stand in a fan breeze
14. 14.🔍 Which is the odd one out? (a) float for 1 minute (b) be under 30 cm tall (c) lift a cup of water (d) hold up 500 g
15. 15.📋 Your team’s budget is ₹122. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) finish in 40 minutes (d) hold up 500 g
17. 17.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
18. 18.📋 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
19. 19.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
21. 21.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) finish in 40 minutes (d) lift a cup of water
22. 22.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) hold up 500 g (d) lift a cup of water
24. 24.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.📋 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
26. 26.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
27. 27.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
30. 30.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
31. 31.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
32. 32.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
33. 33.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.📋 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
36. 36.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
37. 37.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
39. 39.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
40. 40.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False

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