Multiple choice

In India generally the sleeper density of sleepers per rail length used is

  1. 18

  2. 30

  3. 12

  4. 24
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A Correct answer
Explanation

The standard sleeper density in India is typically 18 sleepers per 39-meter rail panel (for BG routes). This works out to approximately M+7 or N+7 formula where M/N is the rail length in meters. The 18 density balances track stability, economy, and maintenance requirements for Indian conditions.

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