Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 463 · 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 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
3. 3.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
6. 6.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
7. 7.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
9. 9.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
11. 11.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
13. 13.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) be under 30 cm tall (d) carry 10 coins
16. 16.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) use only paper and tape (d) lift a cup of water
17. 17.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the tools you use (d) the team names
19. 19.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) No (b) Yes
23. 23.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) finish in 40 minutes (d) roll at least 2 metres
24. 24.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
25. 25.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
26. 26.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.🔍 Which is the odd one out? (a) use only paper and tape (b) lift a cup of water (c) carry 10 coins (d) stand in a fan breeze
29. 29.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
30. 30.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
31. 31.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use only paper and tape (c) finish in 40 minutes (d) fit on a school desk
32. 32.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
36. 36.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
38. 38.📋 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
39. 39.📋 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
40. 40.📋 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

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