Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source of low temperature air The atmosphere A source of high temperature air A source at 0° C A source of low temperature air The atmosphere A source of high temperature air A source at 0° C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Oxygen alone Vacuum Atmospheric air Compressed air Oxygen alone Vacuum Atmospheric air Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is inefficient None of these It requires cooling water for its operation It is bulky It is inefficient None of these It requires cooling water for its operation It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber Adding heat exchanger Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber Adding heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Efficiency of gas turbine is increased by All of the listed here Inter cooling Reheating Adding a regenerator All of the listed here Inter cooling Reheating Adding a regenerator ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Maximum cycle temperature Minimum cycle temperature Pressure ratio All of these Maximum cycle temperature Minimum cycle temperature Pressure ratio All of these ANSWER DOWNLOAD EXAMIANS APP