Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Increases First increases and then decreases Decreases First decreases and then increases Increases First increases and then decreases Decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the output To reduce the exit temperature To save fuel To increase the efficiency To increase the output To reduce the exit temperature To save fuel To increase the efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure. More than Less than None of the listed here Equal to More than Less than None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Screw Reciprocating Centrifugal Axial Screw Reciprocating Centrifugal Axial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Adiabatically Isentropically Isothermally Isochronically Adiabatically Isentropically Isothermally Isochronically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Efficiency of gas turbine is increased by Reheating Adding a regenerator Inter cooling All of the listed here Reheating Adding a regenerator Inter cooling All of the listed here ANSWER DOWNLOAD EXAMIANS APP