Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Isentropic efficiency Compressor efficiency Pressure coefficient Euler Isentropic efficiency Compressor efficiency Pressure coefficient Euler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Large discharge at high pressure Low discharge at low pressure Large discharge at low pressure Low discharge at high pressure Large discharge at high pressure Low discharge at low pressure Large discharge at low pressure Low discharge at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Axial component Radial component None of these Tangential component Axial component Radial component None of these Tangential component ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The flow of air is parallel to the axis of the compressor The static pressure of air in the impeller increases in order to provide centripetal force on the air The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds The flow of air is parallel to the axis of the compressor The static pressure of air in the impeller increases in order to provide centripetal force on the air The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant ANSWER DOWNLOAD EXAMIANS APP