1. A wind turbine has a diameter of 34 m and a power output
of 350 kW at a wind velocity of 12.5 m/s. Find the efficiency of this turbine.
Assume air at 27 C.
2. A wind turbine having an efficiency of 35% and rotor
diameter of 33 m is exposed to air flowing at a speed of 6 m/s. Find the power
developed by the turbine. Assume _ = 1.2 kg/m3.
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