Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Cool the air Reduce volume Cause moisture and oil vapour to drop out Decrease the delivery temperature for ease in handling Cool the air Reduce volume Cause moisture and oil vapour to drop out Decrease the delivery temperature for ease in handling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Increase of work ratio Both (A) and (B) above Decrease of thermal efficiency Decrease of work ratio Increase of work ratio Both (A) and (B) above Decrease of thermal efficiency Decrease of work ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A 3 m³/min compressor means that it Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air Delivers 3 m³/ min of compressed air at delivery pressure Compresses 3 m³/min of standard air Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air Delivers 3 m³/ min of compressed air at delivery pressure Compresses 3 m³/min of standard air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower None of these Higher Same Lower None of these Higher Same ANSWER DOWNLOAD EXAMIANS APP