Q136
The height of any bench in coal shall not exceed . . . . . . . . the breadth there of shall not be less than the . . . . . . . .
A.
3 m, height
AnswerB.
2 m, toe
C.
3.5 m, floor
D.
3.8 m, subgrade drilling
Answer: Option A
Solution
Answer: Option A
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