Agricultural Engineering > GATE 2021 > Wind Turbines
A horizontal axis lift type wind rotor of diameter 4 m is used to run a pump at a wind velocity of 15 km h⁻¹ at standard atmospheric pressure and temperature (density of air is 1.23 kg m⁻³). If velocity of wind leaving the rotor blade is reduced to one-third of the approaching wind velocity, the thrust acting on the blade of the wind rotor in N is [round off to 2 decimal places]
Correct : 119.25
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