Air flows at 2 m3/s through a forcing fan duct of 0.3 m2 having uniform cross-section. The duct resistance is 40 Ns2m-8 and air density is 1.2 kg/m3. The total pressure generated by the fan in Pa is
A. 186.7
B. 160.0
C. 133.3
D. 26.7
Answer: Option A
This Question Belongs to Mining Engineering >> Mine Ventilation
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