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 Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic Isothermal None of these Polytropic Adiabatic Isothermal None of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered by the compressor is called Swept volume Compressor capacity None of the listed here Free air delivery Swept volume Compressor capacity None of the listed here Free air delivery ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because Compressor has to run at very slow speed to achieve it It does not increase pressure much It requires very big cylinder It is impossible in practice Compressor has to run at very slow speed to achieve it It does not increase pressure much It requires very big cylinder It is impossible in practice ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To supply base load requirements To enable start thermal power plant In emergency To supply peak load requirements To supply base load requirements To enable start thermal power plant In emergency To supply peak load requirements ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Reciprocating compressor Axial flow compressor Centrifugal compressor Turbo compressor Reciprocating compressor Axial flow compressor Centrifugal compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP