Compressors, Gas Turbines and Jet Engines After-cooler is used to Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By running compressor at very slow speed Employing inter-cooler By constantly cooling the cylinder By insulating the cylinder By running compressor at very slow speed Employing inter-cooler By constantly cooling the cylinder By insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower None of these Higher Same Lower None of these Higher Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Pressure ratio alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Minimum cycle temperature alone Pressure ratio alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Minimum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to 0°C and 1 kg/cm² N.T.P. conditions 20°C and 1 kg/cm² Intake temperature and pressure conditions 0°C and 1 kg/cm² N.T.P. conditions 20°C and 1 kg/cm² Intake temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 40 to 60% 60 to 70% 10 to 40% 70 to 90% 40 to 60% 60 to 70% 10 to 40% ANSWER DOWNLOAD EXAMIANS APP
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