Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 691 · 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 constraint is … (a) a limit you must keep to (b) a kind of glue (c) a final test (d) a goal for success
2. 2.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
4. 4.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
6. 6.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) lift a cup of water (d) finish in 40 minutes
8. 8.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
9. 9.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
10. 10.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
12. 12.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
13. 13.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
14. 14.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
15. 15.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) use only paper and tape (d) carry 10 coins
16. 16.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) fit on a school desk (c) carry 10 coins (d) hold up 500 g
17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.🔍 Which is the odd one out? (a) fit on a school desk (b) roll at least 2 metres (c) be under 30 cm tall (d) finish in 40 minutes
19. 19.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.🔍 Which is the odd one out? (a) float for 1 minute (b) roll at least 2 metres (c) lift a cup of water (d) spend at most ₹100
21. 21.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) Yes (b) No
22. 22.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) fit on a school desk (d) hold up 500 g
25. 25.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) No (b) Yes
26. 26.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
30. 30.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
31. 31.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
32. 32.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
33. 33.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
34. 34.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
35. 35.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
37. 37.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
38. 38.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.📋 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
40. 40.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True

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