Q
What is the correct sequence of the following events in rock tunnelling?
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A
A. 1. marking tunnel profile
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B
B. 2. loading explosives and blasting
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C
C. 3. checking misfire
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D
D. 4. mucking
Correct Answer:
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