Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Inlet velocity of flow Outlet velocity of flow Outlet whirl velocity Inlet whirl velocity Inlet velocity of flow Outlet velocity of flow Outlet whirl velocity Inlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase speed Increase power output Increase temperature Reduce turbine size Increase speed Increase power output Increase temperature Reduce turbine size ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Fully insulating the cylinder Multistage compression Both (A) and (B) above Cold water spray Fully insulating the cylinder Multistage compression Both (A) and (B) above Cold water spray 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 Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio 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 Volume of free air delivery per stroke to the swept volume of the piston Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Reciprocating compressor Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor Radial flow compressor Axial flow compressor Roots blower ANSWER DOWNLOAD EXAMIANS APP
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