Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Decreasing the compression work Increasing the turbine work Increasing the compression work Both (A) and (C) above Decreasing the compression work Increasing the turbine work Increasing the compression work Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Decreased discharge temperature Higher volumetric efficiency Lower power consumption per unit of air delivered All of these Decreased discharge temperature Higher volumetric efficiency Lower power consumption per unit of air delivered All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Air stream blocking the passage Motion of air at sonic velocity Air stream not able to follow the blade contour Unsteady periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity Air stream not able to follow the blade contour Unsteady periodic and reversed flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Same at all altitudes Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes Higher at high altitudes Higher at high speed Lower at low speed 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 Axial Screw Reciprocating Centrifugal Axial Screw Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbo-propeller Rocket Turbojet Ramjet Turbo-propeller Rocket Turbojet Ramjet ANSWER DOWNLOAD EXAMIANS APP