Agricultural Engineering > GATE 2013 > Wind Pumps
A piston pump is driven by a 5 m diameter horizontal axis wind turbine for supplying water from a borehole with a total pump head of 10 m. The mean velocity of air is 18 km h^{-1} and the density of air is 1.29 kg m^{-3}. The actual power coefficient of the wind turbine is 0.30 and the overall pump efficiency is 60%. Neglecting the transmission losses, the expected pump discharge in L s^{-1} will be
Correct : b
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