Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 20 bar 10 bar 30 bar 50 bar 20 bar 10 bar 30 bar 50 bar 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 Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Minimum cycle temperature alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Minimum cycle temperature alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression None of the listed here Isothermal compression Polytropic compression Isentropic compression None of the listed here Isothermal compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Isothermal H.P./shaft H.R Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Compression work/motor input Total output/air input Isothermal H.P/indicated H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Increase of work ratio Decrease of thermal efficiency Both (A) and (B) above Decrease of work ratio Increase of work ratio Decrease of thermal efficiency Both (A) and (B) above Decrease of work ratio ANSWER DOWNLOAD EXAMIANS APP
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