Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake Opposite to the direction of motion of blades Equal to zero Depending on the velocity In the direction of motion of blades Opposite to the direction of motion of blades Equal to zero Depending on the velocity In the direction of motion of blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion None of these The propulsive matter is ejected from within the propelled body Its functioning does not depend upon presence of air The propulsive matter is caused to flow around the propelled body None of these The propulsive matter is ejected from within the propelled body Its functioning does not depend upon presence of air The propulsive matter is caused to flow around the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Decreases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Decreases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Radial component Axial component Tangential component None of these Radial component Axial component Tangential component None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the Thrust and range of aircraft None of these Efficiency of the engine Both (A) and (B) Thrust and range of aircraft None of these Efficiency of the engine Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Does not change Decreases Increases First decrease and then increase Does not change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP