Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Mass flow rate Change in load Pressure ratio Stagnation pressure at the outlet Mass flow rate Change in load Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Remain unaffected Increase Other factors control it Decrease Remain unaffected Increase Other factors control it Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These knock out some oil and moisture These are used to dampen pulsations These increase compressor efficiency These act as reservoir to take care of sudden demands These knock out some oil and moisture These are used to dampen pulsations These increase compressor efficiency These act as reservoir to take care of sudden demands ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the efficiency 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 ANSWER DOWNLOAD EXAMIANS APP
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