Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Polytropic compression Isentropic compression Isothermal compression None of the listed here Polytropic compression Isentropic compression Isothermal compression 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 Equal Lower Higher Can't be compared Equal Lower Higher Can't be compared ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The velocity of air entering in a rocket is ___ as compared to an aircraft. Same More Zero Less Same More Zero Less 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 Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is not self operating at zero flight speed Is self operating at zero flight speed Produces a jet consisting of plasma Requires no air for its operation Is not self operating at zero flight speed Is self operating at zero flight speed Produces a jet consisting of plasma ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Lower volumetric efficiency Better mechanical balance Less loss of air due to leakage past the cylinder Less power requirement Lower volumetric efficiency Better mechanical balance Less loss of air due to leakage past the cylinder Less power requirement ANSWER DOWNLOAD EXAMIANS APP