Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 40 - 50% 70 - 90% 20 - 30% 60 - 70% 40 - 50% 70 - 90% 20 - 30% 60 - 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure. Equal to None of the listed here Less than More than Equal to None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Average of the jet velocity Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity Half the jet velocity Jet velocity Twice the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is between ~ to i of the blade height in the center at the base at the tip between ~ to i of the blade height in the center at the base at the tip ANSWER DOWNLOAD EXAMIANS APP
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