Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio First increases and then decreases Decreases Remain same Increases First increases and then decreases Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 1.0% 0.1% 5% 0.5% 1.0% 0.1% 5% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Nitrogen Hydrogen Carbon dioxide Ammonia and water vapour Nitrogen Hydrogen Carbon dioxide Ammonia and water vapour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 60 - 70% 40 - 50% 20 - 30% 70 - 90% 60 - 70% 40 - 50% 20 - 30% 70 - 90% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 1.2506944444444 2.5006944444444 2.0840277777778 1.6673611111111 1.2506944444444 2.5006944444444 2.0840277777778 1.6673611111111 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isothermal compression Adiabatic compression Isentropic compression Polytropic compression Isothermal compression Adiabatic compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP