Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Do not damage turbine blades Increases power output Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output Improves thermal efficiency Reduces exhaust temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Gas turbines use both air and liquid cooling Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Large gas turbines use radial inflow turbines Gas turbines have their blades similar to steam turbine Gas turbines use both air and liquid cooling Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Large gas turbines use radial inflow turbines Gas turbines have their blades similar to steam turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Ideal compression Isentropic compression Adiabatic compression Isothermal compression Ideal compression Isentropic compression Adiabatic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They can generate very high thrust They have high propulsion efficiency These engines can work on several fuels They are not air breathing engines They can generate very high thrust They have high propulsion efficiency These engines can work on several fuels They are not air breathing engines ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Velocity factor Velocity coefficient Slip factor None of these Velocity factor Velocity coefficient Slip factor None of these ANSWER DOWNLOAD EXAMIANS APP