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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 406 · 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 70 m long. Piers split it into equal spans of 10 m. How many spans are there?
  2. 2.Which of these is a beam bridge? (a) pushes out on its ends (b) good for short gaps (c) the longest spans of all (d) a curve under the deck
  3. 3.Which of these is a suspension bridge? (a) good for short gaps (b) a flat deck on piers (c) a log across a stream (d) a rope bridge in hills
  4. 4.🌉 A beam bridge is 120 m long. Piers split it into equal spans of 20 m. How many spans are there?
  5. 5.🌉 A beam bridge 70 m long is split by piers into 2 equal spans. How long is each span, in metres?
  6. 6.True or false: “a log across a stream” is a beam bridge. (a) False (b) True
  7. 7.Which of these is an arch bridge? (a) a flat deck on piers (b) the longest spans of all (c) a curve under the deck (d) good for short gaps
  8. 8.🌉 A beam bridge is 175 m long. Piers split it into equal spans of 35 m. How many spans are there?
  9. 9.🌉 Which bridge type: “cables tied down at ends”? (a) beam bridge (b) arch bridge (c) suspension bridge
  10. 10.True or false: “deck hangs from cables” is a beam bridge. (a) False (b) True
  11. 11.🌉 Which bridge type: “a flat deck on piers”? (a) beam bridge (b) arch bridge (c) suspension bridge
  12. 12.🌉 A beam bridge is 275 m long. Piers split it into equal spans of 25 m. How many spans are there?
  13. 13.🌉 A beam bridge is 165 m long. Piers split it into equal spans of 15 m. How many spans are there?
  14. 14.🌉 A beam bridge 500 m long rests on the two river banks and on piers in between, making equal spans of 50 m. How many piers are there?
  15. 15.Which of these is an arch bridge? (a) a rope bridge in hills (b) cables tied down at ends (c) stones squeezed together (d) the longest spans of all
  16. 16.🌉 Which bridge type can cross the widest gap in one span? (a) log bridge (b) beam bridge (c) arch bridge (d) suspension bridge
  17. 17.🌉 Which bridge type: “stones squeezed together”? (a) arch bridge (b) suspension bridge (c) beam bridge
  18. 18.🌉 A beam bridge 80 m long is split by piers into 4 equal spans. How long is each span, in metres?
  19. 19.True or false: “pushes out on its ends” is a beam bridge. (a) False (b) True
  20. 20.🌉 Which bridge type: “pushes out on its ends”? (a) beam bridge (b) suspension bridge (c) arch bridge
  21. 21.🌉 What holds up a long beam bridge in the middle? (a) cables only (b) balloons (c) nothing (d) piers
  22. 22.Which of these is a beam bridge? (a) stones squeezed together (b) a flat deck on piers (c) cables tied down at ends (d) tall towers hold cables
  23. 23.Which of these is a suspension bridge? (a) cables tied down at ends (b) a flat deck on piers (c) pushes out on its ends (d) a log across a stream
  24. 24.🌉 A beam bridge 150 m long rests on the two river banks and on piers in between, making equal spans of 25 m. How many piers are there?
  25. 25.True or false: “cables tied down at ends” is a suspension bridge. (a) True (b) False
  26. 26.True or false: “good for short gaps” is an arch bridge. (a) True (b) False
  27. 27.🌉 A beam bridge is 200 m long. Piers split it into equal spans of 25 m. How many spans are there?
  28. 28.🌉 Which bridge type: “good for short gaps”? (a) suspension bridge (b) beam bridge (c) arch bridge
  29. 29.🌉 A beam bridge 200 m long is split by piers into 5 equal spans. How long is each span, in metres?
  30. 30.🌉 Which bridge type: “the simplest bridge”? (a) suspension bridge (b) beam bridge (c) arch bridge
  31. 31.True or false: “a curve under the deck” is a beam bridge. (a) True (b) False
  32. 32.True or false: “a rope bridge in hills” is a suspension bridge. (a) True (b) False
  33. 33.🌉 In a suspension bridge, the main cables are in … (a) friction (b) tension (c) compression (d) no force
  34. 34.🌉 A beam bridge is 40 m long. Piers split it into equal spans of 20 m. How many spans are there?
  35. 35.🌉 A beam bridge 80 m long rests on the two river banks and on piers in between, making equal spans of 20 m. How many piers are there?
  36. 36.🌉 A beam bridge 90 m long rests on the two river banks and on piers in between, making equal spans of 30 m. How many piers are there?
  37. 37.🌉 A beam bridge 60 m long is split by piers into 4 equal spans. How long is each span, in metres?
  38. 38.True or false: “a log across a stream” is a suspension bridge. (a) False (b) True
  39. 39.🌉 Which bridge type: “tall towers hold cables”? (a) suspension bridge (b) beam bridge (c) arch bridge
  40. 40.🌉 In a stone arch bridge, the stones are in … (a) compression (b) no force (c) tension (d) friction

Answer key

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

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