Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Does not change Increase Decrease Remain same Does not change Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is self operating at zero flight speed Is not self operating at zero flight speed Produces a jet consisting of plasma Requires no air for its operation Is self operating at zero flight speed Is not self operating at zero flight speed Produces a jet consisting of plasma ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because None of these It is inefficient It requires cooling water for its operation It is bulky None of these It is inefficient It requires cooling water for its operation It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Motion of air at sonic velocity Air stream not able to follow the blade contour Air stream blocking the passage Unsteady, periodic and reversed flow Motion of air at sonic velocity Air stream not able to follow the blade contour Air stream blocking the passage Unsteady, periodic and reversed flow 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 Centrifugal Screw Axial Reciprocating Centrifugal Screw Axial Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine works on the principle of conservation of Energy Flow Mass Linear momentum Energy Flow Mass Linear momentum ANSWER DOWNLOAD EXAMIANS APP