Tunnel Engineering

Which of the following methods of tunneling is used for long tunnels at great depths?

  • A. Army method
  • B. Needle beam method
  • C. Austrian method
  • D. English method
Answer: Option C.
Explanation: 

No answer description available for this question.

Leave a Reply

Your email address will not be published.

Back to top button
error: Alert: Content is protected !!