Q16
As per DGMS stipulation on freshly exposed roof which of the following statement is true in the context of minimum damage due to blasting?
A.
first row of supports should contain at least one strategically placed cog
AnswerB.
two rows of vertical props
C.
two rows of cross-bars
D.
bolts of lrn × lm mesh
Answer: Option A
Solution
Answer: Option A
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