Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Inclined Perpendicular None of these Parallel Inclined Perpendicular None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 40 to 60% 60 to 70% 10 to 40% 70 to 90% 40 to 60% 60 to 70% 10 to 40% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at Diffuser inlet radius Impeller inlet radius Diffuser outlet radius Impeller outlet radius Diffuser inlet radius Impeller inlet radius Diffuser outlet radius Impeller outlet radius 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 Higher thrust None of the listed here Low frontal area High pressure rise Higher thrust None of the listed here Low frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and fuel energy Thrust power and propulsive power Propulsive power and fuel input Engine output and propulsive power Thrust power and fuel energy Thrust power and propulsive power Propulsive power and fuel input Engine output and propulsive power ANSWER DOWNLOAD EXAMIANS APP
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
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