Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 154 · 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 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.📋 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
3. 3.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 Your team’s budget is ₹108. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
5. 5.🔍 Which is the odd one out? (a) use only paper and tape (b) hold up 500 g (c) finish in 40 minutes (d) fit on a school desk
6. 6.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
7. 7.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
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 “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
11. 11.📋 Your team’s budget is ₹96. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
12. 12.🔍 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
13. 13.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
15. 15.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
16. 16.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
17. 17.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
18. 18.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
19. 19.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) hold up 500 g (d) carry 10 coins
20. 20.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
21. 21.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) finish in 40 minutes (d) roll at least 2 metres
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
23. 23.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
24. 24.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
25. 25.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
28. 28.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) yes, it works (d) only if it is red
29. 29.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) finish in 40 minutes (d) stand in a fan breeze
31. 31.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
32. 32.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
34. 34.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
35. 35.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
36. 36.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion

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