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Mining Engineering · Q54

Mine Ventilation

Engineering and GATE · Mining Engineering · question 54

Q54

The blade tip speed of a backward bladed centrifugal fan running at 300 rpm delivers 120 m3/s of air. If the tip speed of the blade is 47.12 m/s and width of the fan is 1.3 m then the radial velocity of air at the periphery of the impeller in m/s is

A.
9.79
Answer
B.
12.73
C.
30.79
D.
40.22

Answer: Option A

Solution

Answer: Option A
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