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 maximum compression ratio in an actual single stage axial flow compressor is of the order of 0.048611111111111 0.045138888888889 0.043055555555556 0.00070833333333333 0.048611111111111 0.045138888888889 0.043055555555556 0.00070833333333333 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From coal yard side From outside atmosphere at 1°C From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From coal yard side From outside atmosphere at 1°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Lower delivery pressure Lower suction pressure Increased volume flow rate Reduced volume flow rate Lower delivery pressure Lower suction pressure Increased volume flow rate Reduced volume flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Velocity coefficient Slip factor Velocity factor None of these Velocity coefficient Slip factor Velocity factor None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines In never used Provides greater flexibility Is used when gas is to be burnt Provides lesser flexibility In never used Provides greater flexibility Is used when gas is to be burnt Provides lesser flexibility ANSWER DOWNLOAD EXAMIANS APP
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