Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 673 · 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 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
2. 2.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) use only paper and tape (d) stand in a fan breeze
3. 3.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
4. 4.📋 Your team’s budget is ₹123. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
5. 5.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
6. 6.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
8. 8.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
13. 13.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
14. 14.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) stand in a fan breeze (d) use at most 20 straws
15. 15.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) No (b) Yes
18. 18.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
19. 19.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
20. 20.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) be under 30 cm tall (d) roll at least 2 metres
22. 22.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
23. 23.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
24. 24.📋 Your team’s budget is ₹39. 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 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
26. 26.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) use at most 20 straws (d) be under 30 cm tall
27. 27.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
30. 30.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
31. 31.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) hold up 500 g (d) fit on a school desk
33. 33.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) carry 10 coins (d) be under 30 cm tall
34. 34.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.📋 Your team’s budget is ₹99. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
36. 36.📋 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
37. 37.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) be under 30 cm tall (b) keep ice for 1 hour (c) spend at most ₹100 (d) use at most 20 straws
39. 39.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
40. 40.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes

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