In any working below ground there should be provided at least two shaft or incline which should be away from each other by a minimum distance
A. 12.5m
B. 13.5m
C. 14.5m
D. 15.4m
Answer: Option B
Related Questions on 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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