Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase speed Reduce turbine size Increase power output Increase temperature Increase speed Reduce turbine size Increase power output Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by Employing inter-cooler By insulating the cylinder By constantly cooling the cylinder By running compressor at very slow speed Employing inter-cooler By insulating the cylinder By constantly cooling the cylinder By running compressor at very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² -v₂²)/g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant temperature Constant pressure None of the listed here Constant volume Constant temperature Constant pressure None of the listed here Constant volume ANSWER DOWNLOAD EXAMIANS APP