Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression None of the listed here Polytropic compression Isothermal compression Isentropic compression None of the listed here Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Creep Toughness Fatigue Corrosion resistance Creep Toughness Fatigue Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Increases Does not change Decreases First decrease and then increase Increases Does not change Decreases First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP