A fan circulates 24 m3/s of air at a pressure of 1200 Pa in a ventilation district. It is intended to reduce the air quantity to 16 m3/s by placing a regulator. Assuming the pressure remains unchanged, the size of the regulator in m2 is
A. 1.48
B. 0.74
C. 0.37
D. 0.18
Answer: Option B
This Question Belongs to Mining Engineering >> Mine Ventilation
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