Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the inlet guide vanes only In the impeller only In the diffuser and impeller In the diffuser only In the inlet guide vanes only In the impeller only In the diffuser and impeller In the diffuser only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Heating value Higher calorific value Higher heating value Lower heating value Heating value Higher calorific value Higher heating value Lower heating value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower Same None of these Higher Lower Same None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at Diffuser outlet radius Impeller outlet radius Impeller inlet radius Diffuser inlet radius Diffuser outlet radius Impeller outlet radius Impeller inlet radius Diffuser inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Corrosion resistance Creep Toughness Fatigue Corrosion resistance Creep Toughness Fatigue ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Decreases None of these Does not change Increases Decreases None of these Does not change Increases ANSWER DOWNLOAD EXAMIANS APP