Civil Engineering - UPSC Civil Service Exam Questions - Discussion


Which one of these methods of Tunnel Construction is not suitable in rocks ?

[A]. Full face method
[B]. Compressed air method
[C]. Heading and benching method
[D]. Drift method

Answer: Option D


No answer description available for this question.

Rohit Jaggi said: (Apr 13, 2017)  
I think Option B is Right, because compressed air method is used in clay.

Shivakumar said: (Dec 29, 2017)  
Answer is option B.

Dolly said: (Mar 25, 2018)  
Drift method is used for rocks.

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