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Q: If n is the length of a rail in meters, the number of sleepers per rail length generally varies from ...........
  • A. n to (n + 2)
  • B. (n + 2) to (n + 4)
  • C. (n + 3) to (n + 6)
  • D. (n + 4) to (n + 5)
Correct Answer: Option C - In Indian railway, sleeper density (N+3) to (N+7) Where, N → length of rail section generally 12.8 to 13 m sleeper density per rail number of sleeper.
C. In Indian railway, sleeper density (N+3) to (N+7) Where, N → length of rail section generally 12.8 to 13 m sleeper density per rail number of sleeper.

Explanations:

In Indian railway, sleeper density (N+3) to (N+7) Where, N → length of rail section generally 12.8 to 13 m sleeper density per rail number of sleeper.