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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 743 · 40 questions
TalentJR

Engineer's tip (How does it hold up?): Beam: flat deck on supports, short spans; spans = length ÷ span length. Arch: curved, in compression, pushes out on its ends. Suspension: deck hangs from cables (tension) over towers (compression); longest spans.

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  1. 1.🌉 A beam bridge 270 m long is split by piers into 9 equal spans. How long is each span, in metres?
  2. 2.Which of these is a suspension bridge? (a) a flat deck on piers (b) a log across a stream (c) tall towers hold cables (d) a curve under the deck
  3. 3.🌉 A beam bridge 320 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
  4. 4.Which of these is an arch bridge? (a) a rope bridge in hills (b) a log across a stream (c) stones squeezed together (d) good for short gaps
  5. 5.Which of these is an arch bridge? (a) a curve under the deck (b) a log across a stream (c) a flat deck on piers (d) a rope bridge in hills
  6. 6.True or false: “a curve under the deck” is an arch bridge. (a) False (b) True
  7. 7.🌉 In a suspension bridge, the main cables are in … (a) friction (b) tension (c) compression (d) no force
  8. 8.True or false: “stones squeezed together” is an arch bridge. (a) True (b) False
  9. 9.True or false: “a curve under the deck” is a beam bridge. (a) True (b) False
  10. 10.True or false: “a curve under the deck” is a suspension bridge. (a) True (b) False
  11. 11.True or false: “tall towers hold cables” is a suspension bridge. (a) True (b) False
  12. 12.Which of these is an arch bridge? (a) the simplest bridge (b) pushes out on its ends (c) the longest spans of all (d) a flat deck on piers
  13. 13.Which of these is a suspension bridge? (a) pushes out on its ends (b) stones squeezed together (c) a log across a stream (d) cables tied down at ends
  14. 14.Which of these is a beam bridge? (a) a flat deck on piers (b) stones squeezed together (c) pushes out on its ends (d) a rope bridge in hills
  15. 15.True or false: “a log across a stream” is a suspension bridge. (a) True (b) False
  16. 16.True or false: “a rope bridge in hills” is an arch bridge. (a) False (b) True
  17. 17.🌉 Which bridge type can cross the widest gap in one span? (a) log bridge (b) beam bridge (c) arch bridge (d) suspension bridge
  18. 18.True or false: “good for short gaps” is an arch bridge. (a) True (b) False
  19. 19.True or false: “cables tied down at ends” is a beam bridge. (a) True (b) False
  20. 20.🌉 A beam bridge 70 m long rests on the two river banks and on piers in between, making equal spans of 10 m. How many piers are there?
  21. 21.🌉 A beam bridge 400 m long is split by piers into 8 equal spans. How long is each span, in metres?
  22. 22.🌉 A beam bridge is 40 m long. Piers split it into equal spans of 10 m. How many spans are there?
  23. 23.🌉 A beam bridge 80 m long is split by piers into 4 equal spans. How long is each span, in metres?
  24. 24.🌉 Which bridge type: “a rope bridge in hills”? (a) arch bridge (b) beam bridge (c) suspension bridge
  25. 25.True or false: “good for short gaps” is a beam bridge. (a) True (b) False
  26. 26.🌉 What holds up a long beam bridge in the middle? (a) nothing (b) balloons (c) piers (d) cables only
  27. 27.🌉 Which bridge type: “cables tied down at ends”? (a) beam bridge (b) arch bridge (c) suspension bridge
  28. 28.Which of these is a suspension bridge? (a) deck hangs from cables (b) stones squeezed together (c) a flat deck on piers (d) a curve under the deck
  29. 29.🌉 A beam bridge 80 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
  30. 30.🌉 A beam bridge is 240 m long. Piers split it into equal spans of 20 m. How many spans are there?
  31. 31.🌉 Which bridge type: “a flat deck on piers”? (a) arch bridge (b) beam bridge (c) suspension bridge
  32. 32.🌉 Which bridge type: “a log across a stream”? (a) arch bridge (b) suspension bridge (c) beam bridge
  33. 33.True or false: “tall towers hold cables” is a beam bridge. (a) False (b) True
  34. 34.Which of these is a beam bridge? (a) the simplest bridge (b) a rope bridge in hills (c) cables tied down at ends (d) pushes out on its ends
  35. 35.🌉 Which bridge type: “tall towers hold cables”? (a) suspension bridge (b) arch bridge (c) beam bridge
  36. 36.🌉 A beam bridge 210 m long rests on the two river banks and on piers in between, making equal spans of 35 m. How many piers are there?
  37. 37.🌉 A beam bridge 40 m long is split by piers into 4 equal spans. How long is each span, in metres?
  38. 38.🌉 A beam bridge 350 m long rests on the two river banks and on piers in between, making equal spans of 35 m. How many piers are there?
  39. 39.🌉 Which bridge type: “deck hangs from cables”? (a) suspension bridge (b) beam bridge (c) arch bridge
  40. 40.True or false: “the simplest bridge” is a beam bridge. (a) True (b) False

Answer key

  1. 30
  2. tall towers hold cables
  3. 7
  4. stones squeezed together
  5. a curve under the deck
  6. True
  7. tension
  8. True
  9. False
  10. False
  11. True
  12. pushes out on its ends
  13. cables tied down at ends
  14. a flat deck on piers
  15. False
  16. False
  17. suspension bridge
  18. False
  19. False
  20. 6
  21. 50
  22. 4
  23. 20
  24. suspension bridge
  25. True
  26. piers
  27. suspension bridge
  28. deck hangs from cables
  29. 1
  30. 12
  31. beam bridge
  32. beam bridge
  33. False
  34. the simplest bridge
  35. suspension bridge
  36. 5
  37. 10
  38. 9
  39. suspension bridge
  40. True

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