Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 9)
9.
Which one of these methods of Tunnel Construction is not suitable in rocks ?
Full face method
Compressed air method
Heading and benching method
Drift method
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

A ali said:   5 years ago
Option B is correct. I too agree.

Dolly said:   7 years ago
Drift method is used for rocks.
(1)

Shivakumar said:   8 years ago
Answer is option B.

Rohit Jaggi said:   8 years ago
I think Option B is Right, because compressed air method is used in clay.

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