The width of the bench in coal or over burden in rock formation shall not be less than . . . . . . . . in mechanized opencast working.
A. Height of the bench, which ever is more
B. If dumpers play on the bench, three times the width of dumper
C. Width of widest machine playing on the bench plus two meters
D. None
Answer: Option A
This Question Belongs to Mining Engineering >> Coal Mining Regulation In India
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