Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.99 0.85 0.75 0.9 0.99 0.85 0.75 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of stroke volume to clearance volume Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance The ratio of stroke volume to clearance volume Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Radial flow type None of these Centrifugal type Axial flow type Radial flow type None of these Centrifugal type Axial flow type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is expressed in kg/m² kg/m³ m³/kg m³/min kg/m² kg/m³ m³/kg m³/min ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate First decreases and then increases Remain constant Decreases Increases First decreases and then increases Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP