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More Mining Engineering Questions
Breathing get doubled, when CO 2 present in a mine is about . . . . . . . .
In a mine ventilation system, the resistances of two splits A and B are 0.5 Ns 2 m -8 and 2 Ns 2 m -8 respectively. Combined resistance of two shafts and trunk airways is 0.7 Ns 2 m -8 . A quantity of 20 m 3 /s of air passes through split A. The total air quantity passing the mine in m 3 /s is
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