Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Same None of these Lower Higher Same None of these Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the 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 Isothermal H.P/indicated H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In air compressors, free air delivery means the None of the listed here Volume of air delivered by the compressor Volume of air sucked by the compressor during its suction stroke Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions None of the listed here Volume of air delivered by the compressor Volume of air sucked by the compressor during its suction stroke Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic There is no pressure drop in the inter-cooler All of the listed here The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic There is no pressure drop in the inter-cooler All of the listed here The suction and delivery of air takes place at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Heated Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Heated ANSWER DOWNLOAD EXAMIANS APP
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