Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Decrease Increase Does not change Remain same Decrease Increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressor is best suited for Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Corrosion resistance Fatigue Toughness Creep Corrosion resistance Fatigue Toughness Creep ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the output To save fuel To reduce the exit temperature To increase the efficiency To increase the output To save fuel To reduce the exit temperature To increase the efficiency 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 0.045138888888889 0.048611111111111 0.00070833333333333 0.043055555555556 0.045138888888889 0.048611111111111 0.00070833333333333 0.043055555555556 ANSWER DOWNLOAD EXAMIANS APP
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