Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Adiabatic compression Ideal compression Isentropic compression Isothermal compression Adiabatic compression Ideal compression Isentropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 20 bar 30 bar 10 bar 50 bar 20 bar 30 bar 10 bar 50 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High friction losses High specific volume Paucity of O2 Increasing gas temperature High friction losses High specific volume Paucity of O2 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 Heated Exhaust gases drive the compressor Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion Heated Exhaust gases drive the compressor Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion 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 Vacuum Back to the compressor Atmosphere Discharge nozzle Vacuum Back to the compressor Atmosphere Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.50069444444444 3.5 : 1 0.20902777777778 0.33402777777778 0.50069444444444 3.5 : 1 0.20902777777778 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
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