Civil Engineering - Tunnelling - Discussion

Discussion :: Tunnelling - Section 1 (Q.No.39)

39. 

In the given figure drill holes, heading, mucking and benching are mumbered as 1, 2, 3, 4 The correct sequence is :

[A]. 4 1 2 3
[B]. 1 2 3 4
[C]. 4 1 3 2
[D]. 3 4 1 3

Answer: Option C

Explanation:

No answer description available for this question.

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