Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine All of these Requires less space for installation Has compressor and combustion chamber Has less efficiency All of these Requires less space for installation Has compressor and combustion chamber Has less efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called Gas turbine I.C engine Air motor Compressor Gas turbine I.C engine Air motor Compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine Both the arrangements can be employed All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine Both the arrangements can be employed All are connected in series ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at 20°C and 1 kg/cm² and relative humidity of 36% Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions ANSWER DOWNLOAD EXAMIANS APP
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