Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 219 · 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 “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
3. 3.📋 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
4. 4.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
5. 5.📋 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
6. 6.📋 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?
7. 7.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) float for 1 minute (b) keep ice for 1 hour (c) finish in 40 minutes (d) stand in a fan breeze
9. 9.📋 Your team’s budget is ₹76. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
10. 10.📋 Your team’s budget is ₹100. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
11. 11.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) carry 10 coins (b) lift a cup of water (c) be under 30 cm tall (d) keep ice for 1 hour
13. 13.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) spend at most ₹100 (d) float for 1 minute
15. 15.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
16. 16.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 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
20. 20.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
21. 21.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the team names (d) the limits on money
25. 25.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
26. 26.📋 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
27. 27.📋 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
28. 28.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.📋 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
30. 30.🔍 Which is the odd one out? (a) use only paper and tape (b) carry 10 coins (c) roll at least 2 metres (d) keep ice for 1 hour
31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
33. 33.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) be under 30 cm tall (d) roll at least 2 metres
35. 35.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
36. 36.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
37. 37.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) float for 1 minute (d) roll at least 2 metres
39. 39.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No

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