Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 492 · 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 900 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
2. 2.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
4. 4.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) fit on a school desk (d) hold up 500 g
5. 5.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
6. 6.📋 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
7. 7.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
9. 9.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
10. 10.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) fit on a school desk (d) use at most 20 straws
14. 14.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
15. 15.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
16. 16.🔍 Which is the odd one out? (a) stand in a fan breeze (b) keep ice for 1 hour (c) be under 30 cm tall (d) roll at least 2 metres
17. 17.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
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.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the tools you use (d) the limits on money
20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
22. 22.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) use only paper and tape (d) roll at least 2 metres
24. 24.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) finish in 40 minutes (d) keep ice for 1 hour
26. 26.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
33. 33.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.🔍 Which is the odd one out? (a) fit on a school desk (b) lift a cup of water (c) use only paper and tape (d) finish in 40 minutes
35. 35.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
36. 36.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
38. 38.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
39. 39.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True

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