Q325
In degree II gassy seam the rate of gas emission is
A.
less than 1 cu.m/ton of coal produced
B.
more than 1 cu.m. but less than 5 cu.m
C.
more than 1 cu.m. but less than 10 cu.m
AnswerD.
more than 10 cu.m
Answer: Option C
Solution
Answer: Option C
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