Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 1000°C 2000°C 1500°C 700°C 1000°C 2000°C 1500°C 700°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Both (A) and (C) above Decreasing the compression work Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work Increasing the compression work Increasing the turbine work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure. Equal to None of these Less than Greater than Equal to None of these Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor performance at higher altitude compared to sea level will be Lower Same Dependent on other factors Higher Lower Same Dependent on other factors Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Both (A) and (B) above Decrease of thermal efficiency Decrease of work ratio Increase of work ratio Both (A) and (B) above Decrease of thermal efficiency Decrease of work ratio Increase of work ratio ANSWER DOWNLOAD EXAMIANS APP