Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It requires cooling water for its operation It is inefficient None of these It is bulky It requires cooling water for its operation It is inefficient None of these It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isentropic Isochoric Adiabatic Isothermal Isentropic Isochoric Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion Its functioning does not depend upon presence of air None of these The propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body Its functioning does not depend upon presence of air None of these The propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - r ɣ-1 r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - r ɣ-1 r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
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