Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Increase efficiency Control output of turbine Control temperature Control fire hazards Increase efficiency Control output of turbine Control temperature Control fire hazards ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Volume of free air delivery per stroke to the swept volume of the piston Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Volume of free air delivery per stroke to the swept volume of the piston Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in gas turbines, is of Axial flow type Radial flow type None of the listed here Centrifugal type Axial flow type Radial flow type None of the listed here Centrifugal type 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 Remain same Decrease None of these Increase Remain same Decrease None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Joule cycle Carnot cycle Rankine cycle Ericsson cycle Joule cycle Carnot cycle Rankine cycle Ericsson cycle ANSWER DOWNLOAD EXAMIANS APP
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