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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 958 · 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 140 m long rests on the two river banks and on piers in between, making equal spans of 20 m. How many piers are there?
  2. 2.Which of these is a beam bridge? (a) cables tied down at ends (b) pushes out on its ends (c) a flat deck on piers (d) stones squeezed together
  3. 3.🌉 A beam bridge is 90 m long. Piers split it into equal spans of 10 m. How many spans are there?
  4. 4.🌉 Which bridge type: “good for short gaps”? (a) beam bridge (b) suspension bridge (c) arch bridge
  5. 5.🌉 A beam bridge is 90 m long. Piers split it into equal spans of 15 m. How many spans are there?
  6. 6.🌉 A beam bridge 480 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
  7. 7.🌉 Which bridge type: “deck hangs from cables”? (a) beam bridge (b) arch bridge (c) suspension bridge
  8. 8.Which of these is a suspension bridge? (a) good for short gaps (b) pushes out on its ends (c) the longest spans of all (d) stones squeezed together
  9. 9.Which of these is an arch bridge? (a) good for short gaps (b) deck hangs from cables (c) a curve under the deck (d) a flat deck on piers
  10. 10.Which of these is a beam bridge? (a) deck hangs from cables (b) pushes out on its ends (c) a curve under the deck (d) good for short gaps
  11. 11.True or false: “a log across a stream” is a suspension bridge. (a) False (b) True
  12. 12.🌉 Which bridge type can cross the widest gap in one span? (a) log bridge (b) arch bridge (c) beam bridge (d) suspension bridge
  13. 13.True or false: “a flat deck on piers” is an arch bridge. (a) False (b) True
  14. 14.🌉 A beam bridge is 90 m long. Piers split it into equal spans of 30 m. How many spans are there?
  15. 15.True or false: “tall towers hold cables” is an arch bridge. (a) True (b) False
  16. 16.🌉 In a suspension bridge, the main cables are in … (a) tension (b) friction (c) no force (d) compression
  17. 17.🌉 Which bridge type: “stones squeezed together”? (a) beam bridge (b) arch bridge (c) suspension bridge
  18. 18.🌉 Which bridge type: “a curve under the deck”? (a) suspension bridge (b) beam bridge (c) arch bridge
  19. 19.🌉 A beam bridge 120 m long is split by piers into 6 equal spans. How long is each span, in metres?
  20. 20.True or false: “a log across a stream” is an arch bridge. (a) True (b) False
  21. 21.True or false: “pushes out on its ends” is an arch bridge. (a) False (b) True
  22. 22.🌉 A beam bridge 40 m long is split by piers into 2 equal spans. How long is each span, in metres?
  23. 23.🌉 In a stone arch bridge, the stones are in … (a) friction (b) compression (c) tension (d) no force
  24. 24.🌉 A beam bridge is 120 m long. Piers split it into equal spans of 40 m. How many spans are there?
  25. 25.Which of these is a suspension bridge? (a) a curve under the deck (b) a rope bridge in hills (c) the simplest bridge (d) pushes out on its ends
  26. 26.🌉 What holds up a long beam bridge in the middle? (a) nothing (b) cables only (c) balloons (d) piers
  27. 27.🌉 A beam bridge 280 m long rests on the two river banks and on piers in between, making equal spans of 40 m. How many piers are there?
  28. 28.🌉 Which bridge type: “a rope bridge in hills”? (a) arch bridge (b) beam bridge (c) suspension bridge
  29. 29.True or false: “the simplest bridge” is a beam bridge. (a) True (b) False
  30. 30.True or false: “pushes out on its ends” is a suspension bridge. (a) False (b) True
  31. 31.🌉 Which bridge type: “a flat deck on piers”? (a) beam bridge (b) arch bridge (c) suspension bridge
  32. 32.True or false: “a curve under the deck” is an arch bridge. (a) False (b) True
  33. 33.True or false: “cables tied down at ends” is a suspension bridge. (a) True (b) False
  34. 34.Which of these is a suspension bridge? (a) a flat deck on piers (b) good for short gaps (c) cables tied down at ends (d) a log across a stream
  35. 35.🌉 A beam bridge is 350 m long. Piers split it into equal spans of 50 m. How many spans are there?
  36. 36.🌉 A beam bridge is 120 m long. Piers split it into equal spans of 30 m. How many spans are there?
  37. 37.🌉 A beam bridge 80 m long is split by piers into 4 equal spans. How long is each span, in metres?
  38. 38.Which of these is a beam bridge? (a) cables tied down at ends (b) a rope bridge in hills (c) stones squeezed together (d) a log across a stream
  39. 39.🌉 Which bridge type: “cables tied down at ends”? (a) arch bridge (b) suspension bridge (c) beam bridge
  40. 40.True or false: “a rope bridge in hills” is a beam bridge. (a) False (b) True

Answer key

  1. 6
  2. a flat deck on piers
  3. 9
  4. beam bridge
  5. 6
  6. 11
  7. suspension bridge
  8. the longest spans of all
  9. a curve under the deck
  10. good for short gaps
  11. False
  12. suspension bridge
  13. False
  14. 3
  15. False
  16. tension
  17. arch bridge
  18. arch bridge
  19. 20
  20. False
  21. True
  22. 20
  23. compression
  24. 3
  25. a rope bridge in hills
  26. piers
  27. 6
  28. suspension bridge
  29. True
  30. False
  31. beam bridge
  32. True
  33. True
  34. cables tied down at ends
  35. 7
  36. 4
  37. 20
  38. a log across a stream
  39. suspension bridge
  40. False

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