Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is None of these Lower Same Higher None of these Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High specific volume Increasing gas temperature High friction losses Paucity of O2 High specific volume Increasing gas temperature High friction losses Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of simple gas turbine cycle depends on Maximum cycle temperature Pressure ratio All of these Minimum cycle temperature Maximum cycle temperature Pressure ratio All of these Minimum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mean effective pressure of the compressor is the None of these Volume of air sucked by the compressor during its suction stroke Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions None of these Volume of air sucked by the compressor during its suction stroke Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression Isothermal compression None of the listed here Polytropic compression Isentropic compression Isothermal compression None of the listed here Polytropic compression ANSWER DOWNLOAD EXAMIANS APP