Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 420 · 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 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
2. 2.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) use at most 20 straws (d) use only paper and tape
3. 3.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a final test (d) a goal for success
5. 5.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) carry 10 coins (d) roll at least 2 metres
6. 6.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
7. 7.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
9. 9.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
10. 10.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) carry 10 coins (d) use only paper and tape
14. 14.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
15. 15.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) fit on a school desk (b) hold up 500 g (c) roll at least 2 metres (d) lift a cup of water
17. 17.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use only paper and tape (c) hold up 500 g (d) carry 10 coins
18. 18.📋 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
19. 19.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
20. 20.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
21. 21.📋 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
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
26. 26.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) spend at most ₹100 (d) hold up 500 g
28. 28.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
29. 29.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
30. 30.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
31. 31.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the tools you use (d) the team names
34. 34.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
37. 37.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
38. 38.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
39. 39.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) lift a cup of water (d) use only paper and tape
40. 40.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False

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