Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume decreases Decreases as clearance volume increases Increases as clearance volume increases Is independent of clearance volume Increases as clearance volume decreases Decreases as clearance volume increases Increases as clearance volume increases Is independent of clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Isentropically Polytropically None of these Isothermally Isentropically Polytropically None of these Isothermally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isothermal Isochoric Adiabatic Isentropic Isothermal Isochoric Adiabatic Isentropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Lower Equal Higher Can't be compared Lower Equal Higher Can't be compared ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area Higher average velocities Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area Higher average velocities ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work ANSWER DOWNLOAD EXAMIANS APP