Agricultural Engineering > GATE 2016 > Wind Pumps
A water pumping system is being driven by a propeller type wind turbine having the power coefficient of 0.4. The total pumping head and rate of discharge are 20 m and 7.0 L s-1, respectively. Mean wind velocity is 18 km h-1 and the density of air is 1.2 kg m-3. The required diameter of the propeller in m is
Correct : 7.6
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