Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Inclined Parallel Perpendicular None of these Inclined Parallel Perpendicular None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. None of these Reduced Increased Zero None of these Reduced Increased Zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at 20°C and 1 kg/cm² and relative humidity of 36% 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 15°C and 1 kg/cm² 20°C and 1 kg/cm² and relative humidity of 36% 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 15°C and 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 60 - 70% 20 - 30% 70 - 90% 40 - 50% 60 - 70% 20 - 30% 70 - 90% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in subsequent stages should increase Work done in all stages should be equal Work done in subsequent stages should decrease Work done in first stage should be more Work done in subsequent stages should increase Work done in all stages should be equal Work done in subsequent stages should decrease Work done in first stage should be more ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Mechanical efficiency Adiabatic efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Adiabatic efficiency Volumetric efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS