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 at 0° C A source of high temperature air The atmosphere A source of low temperature air A source at 0° C A source of high temperature air The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop in the stage Total temperature drop Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop in the stage Total temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Atmosphere Vacuum Back to the compressor Discharge nozzle Atmosphere Vacuum Back to the compressor Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isothermally Adiabatically Isentropically Isochronically Isothermally Adiabatically Isentropically Isochronically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Decreases First decreases and then increases First increases and then decreases Increases Decreases First decreases and then increases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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