Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and heat supplied Net work output and work done by turbine Work done by turbine and net work output Work done by turbine and heat supplied Net work output and heat supplied Net work output and work done by turbine Work done by turbine and net work output Work done by turbine and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Requires less space for installation Has compressor and combustion chamber All of these Has less efficiency Requires less space for installation Has compressor and combustion chamber All of these Has less efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of High pressure rise Low frontal area Higher thrust None of the listed here High pressure rise Low frontal area Higher thrust None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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