Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Twice the jet velocity Jet velocity Average of the jet velocity Half the jet velocity Twice the jet velocity Jet velocity Average of the jet velocity Half the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Thrust power and propulsive power Engine output and propulsive power Thrust power and fuel energy Propulsive power and fuel input Thrust power and propulsive power Engine output and propulsive power Thrust power and fuel energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Injecting ammonia into the combustion chamber Burning fuel after gas turbine All of these Injecting water into the compressor Injecting ammonia into the combustion chamber Burning fuel after gas turbine All of these Injecting water into the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and work done by turbine Work done by turbine and net work output Work done by turbine and heat supplied Net work output and heat supplied Net work output and work done by turbine Work done by turbine and net work output Work done by turbine and heat supplied Net work output and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase power output Increase temperature Increase speed Reduce turbine size Increase power output Increase temperature Increase speed Reduce turbine size ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Air stream not able to follow the blade contour Motion of air at sonic velocity Unsteady, periodic and reversed flow Air stream blocking the passage Air stream not able to follow the blade contour Motion of air at sonic velocity Unsteady, periodic and reversed flow Air stream blocking the passage ANSWER DOWNLOAD EXAMIANS APP
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