Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 910 · 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.🔍 Which is the odd one out? (a) spend at most ₹100 (b) roll at least 2 metres (c) keep ice for 1 hour (d) float for 1 minute
2. 2.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
4. 4.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
5. 5.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
6. 6.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
7. 7.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a final test (d) a kind of glue
8. 8.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
9. 9.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
13. 13.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) finish in 40 minutes (d) float for 1 minute
14. 14.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
17. 17.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
18. 18.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
20. 20.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
21. 21.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
23. 23.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
25. 25.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
26. 26.🔍 Which is the odd one out? (a) float for 1 minute (b) lift a cup of water (c) use only paper and tape (d) stand in a fan breeze
27. 27.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) use at most 20 straws (d) lift a cup of water
28. 28.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) yes, always (d) no, it breaks a limit
29. 29.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
30. 30.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
31. 31.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
32. 32.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) roll at least 2 metres (d) lift a cup of water
34. 34.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) spend at most ₹100 (d) finish in 40 minutes
35. 35.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
36. 36.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 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?
38. 38.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
39. 39.🔍 Which is the odd one out? (a) carry 10 coins (b) float for 1 minute (c) be under 30 cm tall (d) stand in a fan breeze
40. 40.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False

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