Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Variable speed Start-stop motor Relief valve Constant speed unloader Variable speed Start-stop motor Relief valve Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at low pressure Large quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic Isothermal None of these Polytropic Adiabatic Isothermal None of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Decreases None of these Does not change Increases Decreases None of these Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Pressures at discharge and suction corresponding to same temperature Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Decreases heat loss is exhaust Allows high compression ratio Increases thermal efficiency Allows operation at very high altitudes Decreases heat loss is exhaust Allows high compression ratio Increases thermal efficiency Allows operation at very high altitudes ANSWER DOWNLOAD EXAMIANS APP