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Q: If g₁ = +1.2% and g₂ = –0.8% and rate of change of grade = 0.1% per 20 m chain, then the length of the vertical curve is:
  • A. 10 chains
  • B. 20 chains
  • C. 30 chains
  • D. 15 chains
Correct Answer: Option B -
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Explanations:

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