Pressure characteristic of a mine fan is given by, P = -0.06 Q2 + 400, where P

Question

Pressure characteristic of a mine fan is given by, P = -0.06 Q2 + 400, where P is the pressure in Pa and Q the quantity in m3/s. The resistance of the mine is 0.19 Ns2/m8.The mine quantity in m3/s is

Options:

A . 160.0

B . 53.5

C . 45.9

D . 40.0

Answer: Option D

-NA-

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