Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the compression work Decreasing the compression work Both (A) and (C) above Increasing the turbine work Increasing the compression work Decreasing the compression work Both (A) and (C) above Increasing the turbine work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Better than isothermal and adiabatic Same as adiabatic Same as isothermal In between isothermal and adiabatic Better than isothermal and adiabatic Same as adiabatic Same as isothermal In between isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during Isentropic compression Polytropic compression Isothermal compression None of these Isentropic compression Polytropic compression Isothermal compression None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Is used when gas is to be burnt Provides lesser flexibility Provides greater flexibility In never used Is used when gas is to be burnt Provides lesser flexibility Provides greater flexibility In never used ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The intercooling should be perfect The work-done in each stage should be same All of the listed here The compression ratio in each stage should be same The intercooling should be perfect The work-done in each stage should be same All of the listed here The compression ratio in each stage should be same ANSWER DOWNLOAD EXAMIANS APP