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 fan drift air pressure is 15 MN/m2. The rate of airflow through the mine in m3
A. 4.16
B. 18.26
C. 240.35
D. 333.33
E. 490.56
Answer: Option E
This Question Belongs to Mining Engineering >> Mine Ventilation
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