Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In two phases In three phases In the form of air and water mixture In a single phase In two phases In three phases In the form of air and water mixture In a single phase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle without clearance on P-V diagram can be represented by following processes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume One adiabatic, one isobaric and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Compression work/motor input Isothermal H.P/indicated H.R Total output/air input Isothermal H.P./shaft H.R Compression work/motor input Isothermal H.P/indicated H.R Total output/air input Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 6 kg/cm² 2 kg/cm² 14.7 kg/cm² 10 kg/cm² 6 kg/cm² 2 kg/cm² 14.7 kg/cm² 10 kg/cm² 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 increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Make the flow streamline Increase velocity Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Make the flow streamline Increase velocity Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
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