Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Pressure ratio Mass flow rate Change in load Stagnation pressure at the outlet Pressure ratio Mass flow rate Change in load ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal Adiabatic Polytropic None of these Isothermal Adiabatic Polytropic None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Open cycle gas turbine works on Brayton or Atkinson cycle Ericsson cycle Carnot cycle Rankine cycle Brayton or Atkinson cycle Ericsson cycle Carnot cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase Decrease None of these Remain same Increase Decrease None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Thrust power and propulsive power Engine output and propulsive power Thrust power and fuel energy Propulsive power and fuel input Thrust power and propulsive power Engine output and propulsive power Thrust power and fuel energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To save fuel To increase the output To reduce the exit temperature To increase the efficiency To save fuel To increase the output To reduce the exit temperature To increase the efficiency ANSWER DOWNLOAD EXAMIANS APP
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