Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 310 · 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 design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, it works (d) yes, always
2. 2.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
3. 3.🔍 Which is the odd one out? (a) float for 1 minute (b) use at most 20 straws (c) lift a cup of water (d) keep ice for 1 hour
4. 4.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) fit on a school desk (d) float for 1 minute
5. 5.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
6. 6.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) No (b) Yes
7. 7.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
8. 8.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) finish in 40 minutes (d) hold up 500 g
10. 10.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
13. 13.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
14. 14.📋 Your team’s budget is ₹157. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
17. 17.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
18. 18.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Your team’s budget is ₹92. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
22. 22.🔍 Which is the odd one out? (a) use only paper and tape (b) finish in 40 minutes (c) float for 1 minute (d) spend at most ₹100
23. 23.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
24. 24.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) spend at most ₹100 (d) use only paper and tape
25. 25.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
28. 28.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
29. 29.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
32. 32.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
33. 33.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
34. 34.📋 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
35. 35.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
36. 36.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
38. 38.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
39. 39.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) Yes (b) No

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