Q307
Gassy seam of 'third degree' means a coal seam or part lying within the precincts of mine not being an opencast working where the rate of emission of inflammable gas per ton of coal produced exceeds
A.
1 Cum
B.
10 Cum
AnswerC.
20 Cum
D.
100 Cum
Answer: Option B
Solution
Answer: Option B
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