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 Aeroplanes employ following type of compressor Radial flow Axial flow None of these Centrifugal Radial flow Axial flow None of these Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a Compressor Heating chamber All of these Cooling chamber Compressor Heating chamber All of these Cooling chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Three times Six times Two times Four times Three times Six times Two times Four times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is inefficient It is bulky It requires cooling water for its operation None of these It is inefficient It is bulky It requires cooling water for its operation None of these ANSWER DOWNLOAD EXAMIANS APP