Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In three phases In the form of air and water mixture In a single phase In two phases In three phases In the form of air and water mixture In a single phase In two phases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Provide robust structure Collect more air Convert kinetic energy of air into pressure energy Beautify the shape Provide robust structure Collect more air Convert kinetic energy of air into pressure energy Beautify the shape ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Pressure ratio alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Pressure ratio alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase Remain same None of these Decrease Increase Remain same None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Small quantities of air at high pressures Large quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
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