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Mining Engineering · Q25

Mine Ventilation

Engineering and GATE · Mining Engineering · question 25

Q25

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
Answer
B.
160.0
C.
133.3
D.
26.7

Answer: Option A

Solution

Answer: Option A
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