Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Increases Remain same First increases and then decreases Decreases Increases Remain same First increases and then decreases Decreases 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% 15°C and 1 kg/cm² Atmospheric conditions at any specific location 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% 15°C and 1 kg/cm² Atmospheric conditions at any specific location 0°C and standard atmospheric conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.75 0.9 0.85 0.99 0.75 0.9 0.85 0.99 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant pressure Constant temperature None of the listed here Constant volume Constant pressure Constant temperature None of the listed here Constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Same at all altitudes Lower at low speed Higher at high altitudes Higher at high speed Same at all altitudes Lower at low speed Higher at high altitudes Higher at high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume ANSWER DOWNLOAD EXAMIANS APP