In a mine between upcast shaft and downcast shaft, two airways are connected in parallel and their resistances are 100 and 120 Ns-2m-8 respectively. The resistance of upcast shaft, downcast shaft and the fan drifts are 10, 20, and 5 Ns-2m-8 respectively. The rate of airflow through the split airway having resistance of 100 Ns-2m-8 in m3/s is
A. 0.42
B. 0.79
C. 2.19
D. 7.90
E. 270.06
Answer: Option E
This Question Belongs to Mining Engineering >> Mine Ventilation
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