Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Three times Equal to Double Six times Three times Equal to Double Six times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady periodic and reversed flow Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady periodic and reversed flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Work ratio Pressure ratio Compression ratio None of these Work ratio Pressure ratio Compression ratio None of these 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 In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in efficiency Increase in flow Decrease in flow Increase in flow and decrease in efficiency Increase in efficiency Increase in flow Decrease in flow Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
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