Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because None of these It is bulky It requires cooling water for its operation It is inefficient None of these It is bulky It requires cooling water for its operation It is inefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio for the compressor is always _________ unity. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To supply base load requirements To supply peak load requirements To enable start thermal power plant In emergency To supply base load requirements To supply peak load requirements To enable start thermal power plant In emergency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is High Low/high depending on make and type Low Same High Low/high depending on make and type Low Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase None of these Decrease Remain same Increase None of these Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS