Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Pressure ratio Work ratio None of these Compression ratio Pressure ratio Work ratio None of these Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Ammonia and water vapour Nitrogen Hydrogen Carbon dioxide Ammonia and water vapour Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of thermal efficiency Decrease of work ratio Increase of work ratio Both (A) and (B) above Decrease of thermal efficiency Decrease of work ratio Increase of work ratio Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic All of the listed here There is no pressure drop in the inter-cooler The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic All of the listed here There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of 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 Air stream not able to follow the blade contour Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Isothermal H.P/indicated H.R Total output/air input Compression work/motor input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Total output/air input Compression work/motor input Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
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