Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To save fuel To reduce the exit temperature To increase the efficiency To increase the output To save fuel To reduce the exit temperature To increase the efficiency To increase the output 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 Reciprocating Screw Centrifugal Axial Reciprocating Screw Centrifugal Axial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High specific volume Increasing gas temperature High friction losses Paucity of O2 High specific volume Increasing gas temperature High friction losses Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Compression ratio Work ratio None of these Pressure ratio Compression ratio Work ratio None of these Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an Engine Electric motor None of these Either (A) or (B) Engine Electric motor None of these Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS