Tunnel Engineering

For B.G. single track, the section of the tunnel must have a width_____.

  • A. 4.2 m to 4.5 m
  • B. 4.5 m to 4.8 m
  • C. 4.9 m to 5.5 m
  • D. 5.5 m to 5.8 m
Answer: Option C.
Explanation: 

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