Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 31 · 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.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
2. 2.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
3. 3.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a final test (d) a goal for success
4. 4.🔍 Which is the odd one out? (a) fit on a school desk (b) float for 1 minute (c) use at most 20 straws (d) use only paper and tape
5. 5.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
7. 7.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
8. 8.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
10. 10.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 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) roll at least 2 metres (c) hold up 500 g (d) use at most 20 straws
12. 12.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) hold up 500 g (b) use only paper and tape (c) stand in a fan breeze (d) carry 10 coins
15. 15.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
19. 19.📋 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
20. 20.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
23. 23.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
26. 26.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) spend at most ₹100 (d) finish in 40 minutes
28. 28.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) stand in a fan breeze (b) roll at least 2 metres (c) spend at most ₹100 (d) lift a cup of water
30. 30.📋 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
31. 31.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
33. 33.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
35. 35.📋 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
36. 36.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
37. 37.📋 Your team’s budget is ₹93. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.🔍 Which is the odd one out? (a) fit on a school desk (b) stand in a fan breeze (c) carry 10 coins (d) hold up 500 g

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