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
Related Questions on Mine Ventilation
The mechanical mixture of gases existing in a mine given off after explosion called
A. White damp
B. Stink damp
C. Black damp
D. After damp
A Drager Gas Mask does not filter
A. Water vapour
B. Nitrous fumes
C. Carbon monoxide
D. Carbon dioxide
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