A. form C & D is submitted to Regional Controller of Mines
B. final mine closure plan is submitted and approved by Regional Controller of mines
C. progressive mine closure is submitted to controller general
D. up to date mine plan is submitted to DGMS
Answer: Option B
This Question Belongs to Mining Engineering >> Introduction To Mining Engineering
A. Normal distribution
B. Skewed distribution
C. Lognormal distribution
D. Poisson distribution
A. 3 level heading district
B. 4 level heading district
C. 5 level heading district
D. 6 level heading district
It is very difficult to control shaley roof if coal is not left with the shale why?
A. It is weak in nature
B. It has weathering effect
C. It has great affinity to absorb moisture and get departed from immediate roof
D. It reacts with coaly surface
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