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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 201 · 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 is 50 m long. Piers split it into equal spans of 10 m. How many spans are there?
  2. 2.🌉 A beam bridge 40 m long rests on the two river banks and on piers in between, making equal spans of 20 m. How many piers are there?
  3. 3.Which of these is a beam bridge? (a) a curve under the deck (b) stones squeezed together (c) cables tied down at ends (d) good for short gaps
  4. 4.True or false: “the longest spans of all” is a suspension bridge. (a) True (b) False
  5. 5.True or false: “the longest spans of all” is a beam bridge. (a) True (b) False
  6. 6.Which of these is a beam bridge? (a) deck hangs from cables (b) a log across a stream (c) the longest spans of all (d) pushes out on its ends
  7. 7.🌉 What holds up a long beam bridge in the middle? (a) nothing (b) balloons (c) piers (d) cables only
  8. 8.Which of these is an arch bridge? (a) stones squeezed together (b) the longest spans of all (c) cables tied down at ends (d) deck hangs from cables
  9. 9.🌉 A beam bridge is 400 m long. Piers split it into equal spans of 50 m. How many spans are there?
  10. 10.🌉 A beam bridge 270 m long rests on the two river banks and on piers in between, making equal spans of 45 m. How many piers are there?
  11. 11.🌉 A beam bridge 240 m long rests on the two river banks and on piers in between, making equal spans of 30 m. How many piers are there?
  12. 12.True or false: “a log across a stream” is a beam bridge. (a) True (b) False
  13. 13.🌉 Which bridge type: “a flat deck on piers”? (a) suspension bridge (b) arch bridge (c) beam bridge
  14. 14.🌉 Which bridge type: “stones squeezed together”? (a) beam bridge (b) arch bridge (c) suspension bridge
  15. 15.🌉 Which bridge type: “pushes out on its ends”? (a) beam bridge (b) suspension bridge (c) arch bridge
  16. 16.🌉 A beam bridge 45 m long is split by piers into 3 equal spans. How long is each span, in metres?
  17. 17.Which of these is an arch bridge? (a) cables tied down at ends (b) the longest spans of all (c) deck hangs from cables (d) pushes out on its ends
  18. 18.🌉 Which bridge type: “the longest spans of all”? (a) arch bridge (b) suspension bridge (c) beam bridge
  19. 19.🌉 In a stone arch bridge, the stones are in … (a) friction (b) tension (c) compression (d) no force
  20. 20.🌉 Which bridge type can cross the widest gap in one span? (a) arch bridge (b) log bridge (c) beam bridge (d) suspension bridge
  21. 21.🌉 Which bridge type: “tall towers hold cables”? (a) beam bridge (b) suspension bridge (c) arch bridge
  22. 22.🌉 A beam bridge is 100 m long. Piers split it into equal spans of 20 m. How many spans are there?
  23. 23.True or false: “cables tied down at ends” is an arch bridge. (a) False (b) True
  24. 24.🌉 In a suspension bridge, the main cables are in … (a) no force (b) compression (c) friction (d) tension
  25. 25.🌉 A beam bridge 405 m long is split by piers into 9 equal spans. How long is each span, in metres?
  26. 26.🌉 Which bridge type: “deck hangs from cables”? (a) beam bridge (b) arch bridge (c) suspension bridge
  27. 27.🌉 A beam bridge 120 m long rests on the two river banks and on piers in between, making equal spans of 10 m. How many piers are there?
  28. 28.🌉 A beam bridge 300 m long is split by piers into 10 equal spans. How long is each span, in metres?
  29. 29.True or false: “pushes out on its ends” is an arch bridge. (a) False (b) True
  30. 30.True or false: “deck hangs from cables” is a suspension bridge. (a) True (b) False
  31. 31.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
  32. 32.🌉 A beam bridge is 75 m long. Piers split it into equal spans of 15 m. How many spans are there?
  33. 33.True or false: “stones squeezed together” is an arch bridge. (a) False (b) True
  34. 34.Which of these is an arch bridge? (a) a curve under the deck (b) the simplest bridge (c) a rope bridge in hills (d) deck hangs from cables
  35. 35.🌉 A beam bridge is 165 m long. Piers split it into equal spans of 15 m. How many spans are there?
  36. 36.Which of these is a suspension bridge? (a) a rope bridge in hills (b) pushes out on its ends (c) a log across a stream (d) a curve under the deck
  37. 37.Which of these is a suspension bridge? (a) the simplest bridge (b) a flat deck on piers (c) the longest spans of all (d) pushes out on its ends
  38. 38.True or false: “deck hangs from cables” is an arch bridge. (a) True (b) False
  39. 39.🌉 Which bridge type: “a log across a stream”? (a) suspension bridge (b) arch bridge (c) beam bridge
  40. 40.🌉 A beam bridge 120 m long is split by piers into 4 equal spans. How long is each span, in metres?

Answer key

  1. 5
  2. 1
  3. good for short gaps
  4. True
  5. False
  6. a log across a stream
  7. piers
  8. stones squeezed together
  9. 8
  10. 5
  11. 7
  12. True
  13. beam bridge
  14. arch bridge
  15. arch bridge
  16. 15
  17. pushes out on its ends
  18. suspension bridge
  19. compression
  20. suspension bridge
  21. suspension bridge
  22. 5
  23. False
  24. tension
  25. 45
  26. suspension bridge
  27. 11
  28. 30
  29. True
  30. True
  31. deck hangs from cables
  32. 5
  33. True
  34. a curve under the deck
  35. 11
  36. a rope bridge in hills
  37. the longest spans of all
  38. False
  39. beam bridge
  40. 30

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