Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is Lower Same None of these Higher Lower Same None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Produces a jet consisting of plasma Is self operating at zero flight speed Is not self operating at zero flight speed Requires no air for its operation Produces a jet consisting of plasma Is self operating at zero flight speed Is not self operating at zero flight speed Requires no air for its operation ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Four times Six times Three times Two times Four times Six times Three times Two times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 64 bar 16 bar 1 bar 256 bar 64 bar 16 bar 1 bar 256 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Improves thermal efficiency Reduces exhaust temperature Increases power output Do not damage turbine blades Improves thermal efficiency Reduces exhaust temperature Increases power output Do not damage turbine blades ANSWER DOWNLOAD EXAMIANS APP