Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Pressure ratio Change in load Mass flow rate Stagnation pressure at the outlet Pressure ratio Change in load Mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio 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 Isentropic power to the power 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 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 Isentropic power to the power required to drive the compressor 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 Unsteady periodic and reversed flow Air stream blocking the passage Air stream not able to follow the blade contour Motion of air at sonic velocity Unsteady periodic and reversed flow Air stream blocking the passage Air stream not able to follow the blade contour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by All of these Adding heat exchanger Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Greatly affected by clearance volume Inversely proportional to clearance volume Not affected by clearance volume Directly proportional to clearance volume Greatly affected by clearance volume Inversely proportional to clearance volume Not affected by clearance volume Directly proportional to clearance volume ANSWER DOWNLOAD EXAMIANS APP
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