C2 (ii) Explain the operating characteristics of wind mill. C2 (iii)Wind-turbine units are rated at 2 KW in a rated wind speed of 6 m/s. The stage efficiencies are Cp = 0.32, ngb = 0.90, ng = 0.92....

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Extracted text: C2 (ii) Explain the operating characteristics of wind mill. C2 (iii)Wind-turbine units are rated at 2 KW in a rated wind speed of 6 m/s. The stage efficiencies are Cp = 0.32, ngb = 0.90, ng = 0.92. What is the necessary swept area? If the rotor is a two-blade propeller (horizontal axis), what is the diameter? (p = 1.29 kg/m2 .) %3D