Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Polytropic compression Isentropic compression None of the listed here Isothermal compression Polytropic compression Isentropic compression None of the listed here Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Both (A) and (C) above Increasing the compression work Increasing the turbine work Decreasing the compression work Both (A) and (C) above Increasing the compression work Increasing the turbine work Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Variable speed Start-stop motor Constant speed unloader Relief valve Variable speed Start-stop motor Constant speed unloader Relief valve ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine works on the principle of conservation of Flow Linear momentum Mass Energy Flow Linear momentum Mass Energy ANSWER DOWNLOAD EXAMIANS APP
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