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Q: A BG track is laid with a sleeper density of N+3. The width of the sleeper is 20.25 cm. Find the minimum depth of the ballast cushion.
  • A. 30.5 cm
  • B. 10.125 cm
  • C. 61 cm
  • D. 20.375 cm
Correct Answer: Option A -
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Explanations:

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