Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source of low temperature air A source of high temperature air A source at 0° C The atmosphere A source of low temperature air A source of high temperature air A source at 0° C The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Constant speed unloader Variable speed Start-stop motor Relief valve Constant speed unloader Variable speed Start-stop motor Relief valve ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.5 0.4 0.2 0.3 0.5 0.4 0.2 0.3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of None of the listed here High pressure rise Low frontal area Higher thrust None of the listed here High pressure rise Low frontal area Higher thrust 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 Net work output and heat supplied Work done by turbine and net work output Work done by turbine and heat supplied Net work output and work done by turbine Net work output and heat supplied Work done by turbine and net work output Work done by turbine and heat supplied ANSWER DOWNLOAD EXAMIANS APP
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