Which one of the following is correct? A. In a multistage compressor adiabatic efficiency is less than stage efficiency B. In a multistage turbine adiabatic efficiency is less than the stage efficiency C. Preheat factor for a multistage compressor is greater than one D. Preheat factor does not affect the multistage compressor performance

Which one of the following is correct? A. In a multistage compressor adiabatic efficiency is less than stage efficiency B. In a multistage turbine adiabatic efficiency is less than the stage efficiency C. Preheat factor for a multistage compressor is greater than one D. Preheat factor does not affect the multistage compressor performance  
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