Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. None of these Its own oxygen Compressed atmospheric air Surrounding air None of these Its own oxygen Compressed atmospheric air Surrounding air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Variable speed Relief valve Constant speed unloader Start-stop motor Variable speed Relief valve Constant speed unloader Start-stop motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber Adding heat exchanger Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber Adding heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To provide cushioning effect To attain high volumetric efficiency To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head To provide cushioning effect To attain high volumetric efficiency To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Engine output and propulsive power Thrust power and propulsive power Thrust power and fuel energy Propulsive power and fuel input Engine output and propulsive power Thrust power and propulsive power Thrust power and fuel energy Propulsive power and fuel input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work ANSWER DOWNLOAD EXAMIANS APP
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