The quantity of air in ventilating district the minimum should be . . . . . . . . m3 per person employed in largest shift and more than . . . . . . . . m3/min per daily ton out put.
A. 6, 2
B. 6, 2.3
C. 6, 2.5
D. 5, 2.5
Answer: Option C
This Question Belongs to Mining Engineering >> Mine Ventilation
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