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Types of Bridges Worksheet

Engineering lesson 20: Types of bridges · Set 294 · 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.True or false: “deck hangs from cables” is a suspension bridge. (a) False (b) True
  2. 2.True or false: “a flat deck on piers” is an arch bridge. (a) True (b) False
  3. 3.Which of these is an arch bridge? (a) tall towers hold cables (b) a flat deck on piers (c) cables tied down at ends (d) stones squeezed together
  4. 4.🌉 A beam bridge 30 m long is split by piers into 2 equal spans. How long is each span, in metres?
  5. 5.🌉 A beam bridge 60 m long rests on the two river banks and on piers in between, making equal spans of 15 m. How many piers are there?
  6. 6.🌉 A beam bridge 50 m long is split by piers into 2 equal spans. How long is each span, in metres?
  7. 7.True or false: “deck hangs from cables” is an arch bridge. (a) False (b) True
  8. 8.True or false: “stones squeezed together” is a beam bridge. (a) True (b) False
  9. 9.🌉 Which bridge type: “the longest spans of all”? (a) arch bridge (b) beam bridge (c) suspension bridge
  10. 10.🌉 In a suspension bridge, the main cables are in … (a) tension (b) friction (c) compression (d) no force
  11. 11.🌉 A beam bridge 385 m long is split by piers into 11 equal spans. How long is each span, in metres?
  12. 12.True or false: “a flat deck on piers” is a suspension bridge. (a) True (b) False
  13. 13.🌉 A beam bridge 140 m long is split by piers into 4 equal spans. How long is each span, in metres?
  14. 14.True or false: “the longest spans of all” is a beam bridge. (a) True (b) False
  15. 15.True or false: “a curve under the deck” is a beam bridge. (a) False (b) True
  16. 16.True or false: “a log across a stream” is an arch bridge. (a) True (b) False
  17. 17.🌉 In a stone arch bridge, the stones are in … (a) compression (b) friction (c) no force (d) tension
  18. 18.🌉 Which bridge type: “deck hangs from cables”? (a) arch bridge (b) suspension bridge (c) beam bridge
  19. 19.🌉 Which bridge type: “pushes out on its ends”? (a) suspension bridge (b) arch bridge (c) beam bridge
  20. 20.True or false: “a log across a stream” is a beam bridge. (a) False (b) True
  21. 21.True or false: “pushes out on its ends” is a beam bridge. (a) True (b) False
  22. 22.🌉 A beam bridge is 200 m long. Piers split it into equal spans of 20 m. How many spans are there?
  23. 23.Which of these is a beam bridge? (a) stones squeezed together (b) a curve under the deck (c) good for short gaps (d) pushes out on its ends
  24. 24.Which of these is a beam bridge? (a) a rope bridge in hills (b) stones squeezed together (c) a curve under the deck (d) a log across a stream
  25. 25.True or false: “the longest spans of all” is a suspension bridge. (a) True (b) False
  26. 26.🌉 A beam bridge 250 m long rests on the two river banks and on piers in between, making equal spans of 25 m. How many piers are there?
  27. 27.🌉 A beam bridge 210 m long rests on the two river banks and on piers in between, making equal spans of 30 m. How many piers are there?
  28. 28.True or false: “a rope bridge in hills” is an arch bridge. (a) True (b) False
  29. 29.🌉 What holds up a long beam bridge in the middle? (a) balloons (b) cables only (c) nothing (d) piers
  30. 30.🌉 Which bridge type: “stones squeezed together”? (a) beam bridge (b) suspension bridge (c) arch bridge
  31. 31.🌉 A beam bridge is 225 m long. Piers split it into equal spans of 25 m. How many spans are there?
  32. 32.🌉 Which bridge type: “a curve under the deck”? (a) arch bridge (b) suspension bridge (c) beam bridge
  33. 33.🌉 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?
  34. 34.🌉 A beam bridge 45 m long is split by piers into 3 equal spans. How long is each span, in metres?
  35. 35.Which of these is a beam bridge? (a) pushes out on its ends (b) a flat deck on piers (c) stones squeezed together (d) a curve under the deck
  36. 36.True or false: “a rope bridge in hills” is a suspension bridge. (a) True (b) False
  37. 37.🌉 Which bridge type: “a rope bridge in hills”? (a) beam bridge (b) arch bridge (c) suspension bridge
  38. 38.🌉 Which bridge type: “a flat deck on piers”? (a) suspension bridge (b) beam bridge (c) arch bridge
  39. 39.🌉 A beam bridge 40 m long is split by piers into 4 equal spans. How long is each span, in metres?
  40. 40.True or false: “a flat deck on piers” is a beam bridge. (a) True (b) False

Answer key

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

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