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Q: Pot and Bow Sleepers are which of the following type of sleepers?
  • A. Steel sleepers
  • B. Concrete sleepers
  • C. Chock sleepers
  • D. Cast iron sleepers
Correct Answer: Option D - Pot and Bow sleeper–It is a cast iron sleepers. Pot sleepers consists of two bowls placed under each rail and connected with tie bar. • One top of each pot, keys are provided to hold the rails in a proper position. • Also inward slope of the rail seat provided is 1 in 20. CST-9 sleepers–It is a combination of plate, box and pot sleepers. • CST-9 sleepers are most satisfactory than other C.I. sleepers and had been extensively used in Indian railways. Duplex sleepers–These sleepers are used at rail joints to prevent cantilever action between two support of CST-9 sleepers.
D. Pot and Bow sleeper–It is a cast iron sleepers. Pot sleepers consists of two bowls placed under each rail and connected with tie bar. • One top of each pot, keys are provided to hold the rails in a proper position. • Also inward slope of the rail seat provided is 1 in 20. CST-9 sleepers–It is a combination of plate, box and pot sleepers. • CST-9 sleepers are most satisfactory than other C.I. sleepers and had been extensively used in Indian railways. Duplex sleepers–These sleepers are used at rail joints to prevent cantilever action between two support of CST-9 sleepers.

Explanations:

Pot and Bow sleeper–It is a cast iron sleepers. Pot sleepers consists of two bowls placed under each rail and connected with tie bar. • One top of each pot, keys are provided to hold the rails in a proper position. • Also inward slope of the rail seat provided is 1 in 20. CST-9 sleepers–It is a combination of plate, box and pot sleepers. • CST-9 sleepers are most satisfactory than other C.I. sleepers and had been extensively used in Indian railways. Duplex sleepers–These sleepers are used at rail joints to prevent cantilever action between two support of CST-9 sleepers.