Q47
What is the correct sequence of the following events in rock tunnelling? 1. Marking tunnel profile 2. Loading explosives and blasting 3. Checking misfire 4. Mucking 5. Removing foul gas 6. Setting up and drilling 7. Guniting Select the correct answer
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
AnswerAnswer: Option D
Solution
Answer: Option D
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