Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an Either (A) or (B) None of these Engine Electric motor Either (A) or (B) None of these Engine Electric motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 60 - 70% 20 - 30% 70 - 90% 40 - 50% 60 - 70% 20 - 30% 70 - 90% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Reciprocating Screw Centrifugal Axial Reciprocating Screw Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Decrease None of these Increase Remain same Decrease None of these Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Minimum cycle temperature alone Pressure ratio alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Minimum cycle temperature alone Pressure ratio alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature ANSWER DOWNLOAD EXAMIANS APP