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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 760 · 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.🌉 What holds up a long beam bridge in the middle? (a) nothing (b) balloons (c) cables only (d) piers
  2. 2.True or false: “the simplest bridge” is a beam bridge. (a) False (b) True
  3. 3.🌉 A beam bridge 200 m long rests on the two river banks and on piers in between, making equal spans of 20 m. How many piers are there?
  4. 4.True or false: “a log across a stream” is an arch bridge. (a) False (b) True
  5. 5.🌉 Which bridge type can cross the widest gap in one span? (a) beam bridge (b) log bridge (c) arch bridge (d) suspension bridge
  6. 6.Which of these is an arch bridge? (a) the simplest bridge (b) a rope bridge in hills (c) a curve under the deck (d) a flat deck on piers
  7. 7.🌉 Which bridge type: “good for short gaps”? (a) suspension bridge (b) beam bridge (c) arch bridge
  8. 8.True or false: “a flat deck on piers” is a suspension bridge. (a) True (b) False
  9. 9.True or false: “deck hangs from cables” is a suspension bridge. (a) False (b) True
  10. 10.🌉 A beam bridge is 400 m long. Piers split it into equal spans of 50 m. How many spans are there?
  11. 11.True or false: “cables tied down at ends” is an arch bridge. (a) False (b) True
  12. 12.🌉 In a stone arch bridge, the stones are in … (a) tension (b) friction (c) no force (d) compression
  13. 13.Which of these is an arch bridge? (a) deck hangs from cables (b) the longest spans of all (c) a flat deck on piers (d) pushes out on its ends
  14. 14.Which of these is an arch bridge? (a) stones squeezed together (b) a flat deck on piers (c) the simplest bridge (d) good for short gaps
  15. 15.True or false: “a log across a stream” is a beam bridge. (a) False (b) True
  16. 16.🌉 A beam bridge 245 m long rests on the two river banks and on piers in between, making equal spans of 35 m. How many piers are there?
  17. 17.True or false: “good for short gaps” is an arch bridge. (a) False (b) True
  18. 18.🌉 A beam bridge 200 m long is split by piers into 5 equal spans. How long is each span, in metres?
  19. 19.🌉 Which bridge type: “a flat deck on piers”? (a) beam bridge (b) arch bridge (c) suspension bridge
  20. 20.🌉 A beam bridge is 200 m long. Piers split it into equal spans of 20 m. How many spans are there?
  21. 21.🌉 Which bridge type: “deck hangs from cables”? (a) beam bridge (b) suspension bridge (c) arch bridge
  22. 22.True or false: “the simplest bridge” is an arch bridge. (a) False (b) True
  23. 23.Which of these is a beam bridge? (a) good for short gaps (b) stones squeezed together (c) pushes out on its ends (d) tall towers hold cables
  24. 24.🌉 A beam bridge 300 m long rests on the two river banks and on piers in between, making equal spans of 50 m. How many piers are there?
  25. 25.🌉 A beam bridge is 200 m long. Piers split it into equal spans of 40 m. How many spans are there?
  26. 26.🌉 A beam bridge 250 m long is split by piers into 5 equal spans. How long is each span, in metres?
  27. 27.🌉 A beam bridge is 125 m long. Piers split it into equal spans of 25 m. How many spans are there?
  28. 28.🌉 In a suspension bridge, the main cables are in … (a) no force (b) friction (c) tension (d) compression
  29. 29.Which of these is a suspension bridge? (a) a flat deck on piers (b) cables tied down at ends (c) a log across a stream (d) stones squeezed together
  30. 30.True or false: “pushes out on its ends” is an arch bridge. (a) False (b) True
  31. 31.🌉 A beam bridge 275 m long rests on the two river banks and on piers in between, making equal spans of 25 m. How many piers are there?
  32. 32.Which of these is a beam bridge? (a) the longest spans of all (b) a rope bridge in hills (c) a log across a stream (d) cables tied down at ends
  33. 33.🌉 A beam bridge 150 m long rests on the two river banks and on piers in between, making equal spans of 50 m. How many piers are there?
  34. 34.🌉 Which bridge type: “pushes out on its ends”? (a) suspension bridge (b) arch bridge (c) beam bridge
  35. 35.🌉 Which bridge type: “a log across a stream”? (a) arch bridge (b) beam bridge (c) suspension bridge
  36. 36.🌉 A beam bridge 30 m long rests on the two river banks and on piers in between, making equal spans of 10 m. How many piers 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.🌉 A beam bridge 200 m long is split by piers into 8 equal spans. How long is each span, in metres?
  39. 39.Which of these is a suspension bridge? (a) good for short gaps (b) a log across a stream (c) deck hangs from cables (d) stones squeezed together
  40. 40.True or false: “good for short gaps” is a suspension bridge. (a) False (b) True

Answer key

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

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