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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 817 · 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 30 m long rests on the two river banks and on piers in between, making equal spans of 15 m. How many piers are there?
  2. 2.Which of these is an arch bridge? (a) deck hangs from cables (b) cables tied down at ends (c) a log across a stream (d) a curve under the deck
  3. 3.🌉 A beam bridge 120 m long is split by piers into 12 equal spans. How long is each span, in metres?
  4. 4.🌉 A beam bridge is 220 m long. Piers split it into equal spans of 20 m. How many spans are there?
  5. 5.🌉 Which bridge type: “the longest spans of all”? (a) beam bridge (b) arch bridge (c) suspension bridge
  6. 6.🌉 A beam bridge 75 m long rests on the two river banks and on piers in between, making equal spans of 25 m. How many piers are there?
  7. 7.🌉 Which bridge type: “a flat deck on piers”? (a) beam bridge (b) arch bridge (c) suspension bridge
  8. 8.🌉 Which bridge type: “a rope bridge in hills”? (a) suspension bridge (b) beam bridge (c) arch bridge
  9. 9.True or false: “good for short gaps” is a beam bridge. (a) False (b) True
  10. 10.Which of these is a suspension bridge? (a) a curve under the deck (b) pushes out on its ends (c) cables tied down at ends (d) good for short gaps
  11. 11.🌉 Which bridge type: “a curve under the deck”? (a) suspension bridge (b) arch bridge (c) beam bridge
  12. 12.🌉 A beam bridge is 80 m long. Piers split it into equal spans of 40 m. How many spans are there?
  13. 13.Which of these is a suspension bridge? (a) a flat deck on piers (b) good for short gaps (c) tall towers hold cables (d) pushes out on its ends
  14. 14.🌉 A beam bridge 60 m long rests on the two river banks and on piers in between, making equal spans of 20 m. How many piers are there?
  15. 15.Which of these is a beam bridge? (a) a curve under the deck (b) stones squeezed together (c) good for short gaps (d) the longest spans of all
  16. 16.True or false: “a curve under the deck” is a beam bridge. (a) False (b) True
  17. 17.True or false: “the longest spans of all” is a beam bridge. (a) False (b) True
  18. 18.True or false: “pushes out on its ends” is a beam bridge. (a) False (b) True
  19. 19.🌉 Which bridge type: “good for short gaps”? (a) arch bridge (b) beam bridge (c) suspension bridge
  20. 20.True or false: “a curve under the deck” is an arch bridge. (a) True (b) False
  21. 21.🌉 In a stone arch bridge, the stones are in … (a) tension (b) friction (c) no force (d) compression
  22. 22.🌉 In a suspension bridge, the main cables are in … (a) compression (b) no force (c) tension (d) friction
  23. 23.🌉 Which bridge type: “a log across a stream”? (a) suspension bridge (b) arch bridge (c) beam bridge
  24. 24.True or false: “cables tied down at ends” is an arch bridge. (a) False (b) True
  25. 25.True or false: “the longest spans of all” is a suspension bridge. (a) True (b) False
  26. 26.True or false: “a log across a stream” is a suspension bridge. (a) True (b) False
  27. 27.True or false: “the simplest bridge” is an arch bridge. (a) True (b) False
  28. 28.True or false: “cables tied down at ends” is a beam bridge. (a) True (b) False
  29. 29.🌉 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?
  30. 30.🌉 A beam bridge 20 m long rests on the two river banks and on piers in between, making equal spans of 10 m. How many piers are there?
  31. 31.🌉 A beam bridge 180 m long rests on the two river banks and on piers in between, making equal spans of 30 m. How many piers are there?
  32. 32.True or false: “stones squeezed together” is an arch bridge. (a) True (b) False
  33. 33.🌉 Which bridge type can cross the widest gap in one span? (a) beam bridge (b) log bridge (c) suspension bridge (d) arch bridge
  34. 34.Which of these is an arch bridge? (a) a rope bridge in hills (b) pushes out on its ends (c) a log across a stream (d) deck hangs from cables
  35. 35.Which of these is a suspension bridge? (a) good for short gaps (b) a log across a stream (c) the simplest bridge (d) deck hangs from cables
  36. 36.🌉 Which bridge type: “cables tied down at ends”? (a) arch bridge (b) beam bridge (c) suspension bridge
  37. 37.Which of these is a beam bridge? (a) the longest spans of all (b) pushes out on its ends (c) cables tied down at ends (d) a flat deck on piers
  38. 38.🌉 Which bridge type: “stones squeezed together”? (a) arch bridge (b) suspension bridge (c) beam bridge
  39. 39.True or false: “tall towers hold cables” is a suspension bridge. (a) False (b) True
  40. 40.True or false: “a rope bridge in hills” is a suspension bridge. (a) True (b) False

Answer key

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

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