Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the efficiency To save fuel To increase the output To reduce the exit temperature To increase the efficiency To save fuel To increase the output To reduce the exit temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Oxygen alone Vacuum Atmospheric air Compressed air Oxygen alone Vacuum Atmospheric air Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Rockets Turbojet engine Propellers Ramjet engine Rockets Turbojet engine Propellers Ramjet engine 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 None of these Pressure ratio Work ratio Compression ratio None of these Pressure ratio Work ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Increased volume flow rate Reduced volume flow rate Lower suction pressure Lower delivery pressure Increased volume flow rate Reduced volume flow rate Lower suction pressure Lower delivery pressure ANSWER DOWNLOAD EXAMIANS APP