Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Multistage compression Cold water spray Both (A) and (B) above Fully insulating the cylinder Multistage compression Cold water spray Both (A) and (B) above Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is parallel to its axis, then the compressor is Axial flow compressor Reciprocating compressor Turbo compressor Centrifugal compressor Axial flow compressor Reciprocating compressor Turbo compressor Centrifugal compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Centrifugal Screw Reciprocating Axial Centrifugal Screw Reciprocating 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 Increases Decreases First decrease and then increase Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.005 0.01 0.001 0.05 0.005 0.01 0.001 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² Atmospheric conditions at any specific location 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² Atmospheric conditions at any specific location ANSWER DOWNLOAD EXAMIANS APP