Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 493 · 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.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.📋 Your team’s budget is ₹85. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) hold up 500 g (d) use at most 20 straws
6. 6.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
7. 7.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.🔍 Which is the odd one out? (a) stand in a fan breeze (b) keep ice for 1 hour (c) fit on a school desk (d) roll at least 2 metres
9. 9.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) be under 30 cm tall (d) use only paper and tape
10. 10.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
11. 11.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) stand in a fan breeze (d) finish in 40 minutes
13. 13.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.📋 Your team’s budget is ₹101. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) roll at least 2 metres (d) spend at most ₹100
17. 17.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
18. 18.📋 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
19. 19.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
20. 20.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
21. 21.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
23. 23.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
25. 25.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
26. 26.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
27. 27.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
28. 28.📋 Your team’s budget is ₹70. 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.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
30. 30.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
32. 32.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.🔍 Which is the odd one out? (a) carry 10 coins (b) use only paper and tape (c) hold up 500 g (d) lift a cup of water
34. 34.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
35. 35.📋 Your team’s budget is ₹76. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
36. 36.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
37. 37.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
38. 38.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No

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