UPSC Civil Service Exam Questions

Q1: What is the correct sequence of the following events in rock tunnelling :
1. Marking tunnel profile
2. Loading explosive and blasting
3. Checking misfire
4. Muking
5. Removing foul gas
6. Setting up and drilling
7. Gunnisting
Select the correct answer using the codes given below :

A 1, 6, 5, 3, 4, 2, 7

B 1, 2, 6, 3, 5, 4, 7

C 1, 6, 2, 5, 4, 3, 7

D 1, 6, 2, 5, 3, 4, 7

ANS:D - 1, 6, 2, 5, 3, 4, 7

No answer description is available.



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