Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Air stream not able to follow the blade contour Motion of air at sonic velocity Air stream blocking the passage Unsteady, periodic and reversed flow Air stream not able to follow the blade contour Motion of air at sonic velocity Air stream blocking the passage Unsteady, periodic and reversed flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Tangential component Axial component None of these Radial component Tangential component Axial component None of these Radial component ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that There is no pressure drop in the inter-cooler The suction and delivery of air takes place at constant pressure All of the listed here The compression in both the cylinders is polytropic There is no pressure drop in the inter-cooler The suction and delivery of air takes place at constant pressure All of the listed here The compression in both the cylinders is polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is In between isothermal and adiabatic Same as adiabatic Same as isothermal Better than isothermal and adiabatic In between isothermal and adiabatic Same as adiabatic Same as isothermal Better than isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By constantly cooling the cylinder Employing inter-cooler By insulating the cylinder By running compressor at very slow speed By constantly cooling the cylinder Employing inter-cooler By insulating the cylinder By running compressor at very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations After the inter-cooler Before the inter-cooler Before first stage suction Between the after-cooler and receiver After the inter-cooler Before the inter-cooler Before first stage suction Between the after-cooler and receiver ANSWER DOWNLOAD EXAMIANS APP