Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the branch connections from compressed air lines should be taken from Left side of main Right side of main Bottom side of main Top side of main Left side of main Right side of main Bottom side of main Top side of main ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is self operating at zero flight speed Is not self operating at zero flight speed Produces a jet consisting of plasma Requires no air for its operation Is self operating at zero flight speed Is not self operating at zero flight speed Produces a jet consisting of plasma ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 1000°C 700°C 1500°C 2000°C 1000°C 700°C 1500°C 2000°C ANSWER DOWNLOAD EXAMIANS APP