A mine ventilation system consists of two splits A and B with resistances of 0.8 Ns2m-8 and 3.2 Ns2m-8, respectively as shown in figure. Trunk airways have resistance of 0.2 Ns2m-8. The main mine fan is generating pressure of 500 Pa.
The air quantities in m3/s circulated in the splits A and B respectively are
A. 20 and 30
B. 30 and 20
C. 20 and 10
D. 40 and 10
Answer: Option C
This Question Belongs to Mining Engineering >> Mine Ventilation
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