Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling Single stage compression None of these Multistage compression with intercooling Multistage compression without intercooling Single stage compression None of these Multistage compression with intercooling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Pressure drop across the valves Superheating in compressor All of these Clearance volume and leakages Pressure drop across the valves Superheating in compressor All of these Clearance volume and leakages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Constant speed unloader Start-stop motor Variable speed Relief valve Constant speed unloader Start-stop motor Variable speed Relief valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS