Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 278 · 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 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
3. 3.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, it works (c) only if it is red (d) yes, always
5. 5.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
6. 6.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
7. 7.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
9. 9.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
10. 10.📋 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
11. 11.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) carry 10 coins (d) lift a cup of water
12. 12.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) stand in a fan breeze (c) use only paper and tape (d) float for 1 minute
14. 14.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
16. 16.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
17. 17.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
18. 18.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
19. 19.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) finish in 40 minutes (d) use at most 20 straws
21. 21.🔍 Which is the odd one out? (a) float for 1 minute (b) spend at most ₹100 (c) use only paper and tape (d) use at most 20 straws
22. 22.📋 Your team’s budget is ₹129. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
23. 23.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) No (b) Yes
24. 24.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) finish in 40 minutes (c) be under 30 cm tall (d) use at most 20 straws
26. 26.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
27. 27.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
29. 29.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
30. 30.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Your team’s budget is ₹123. 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.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
33. 33.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) be under 30 cm tall (d) use only paper and tape
35. 35.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
37. 37.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
38. 38.📋 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
39. 39.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) hold up 500 g (d) spend at most ₹100

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