Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Increases/decreases depending on compressor capacity Increases Decreases Remains same Increases/decreases depending on compressor capacity Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Compression ratio Expansion ratio Volumetric efficiency Compressor efficiency Compression ratio Expansion ratio Volumetric efficiency Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From coal yard side From outside atmosphere at 1°C From an air conditioned room maintained at 20°C From a side where cooling tower is located nearby From coal yard side From outside atmosphere at 1°C From an air conditioned room maintained at 20°C From a side where cooling tower is located nearby ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Enables compression in two stages Cools the delivered air Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Enables compression in two stages Cools the delivered air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Blade camber and incidence angle Space-chord ratio Blade camber Blade camber and space-chord ratio Blade camber and incidence angle Space-chord ratio Blade camber Blade camber and space-chord ratio ANSWER DOWNLOAD EXAMIANS APP