Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle Closed cycle & Open cycle Open cycle Closed/open depending on other considerations Closed cycle Closed cycle & Open cycle Open cycle Closed/open depending on other considerations 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 efficiency Decrease in flow 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Slip factor Polytropic reaction Pressure coefficient Work coefficient Slip factor Polytropic reaction Pressure coefficient Work coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Turbofan engine employs Solid fuel firing Two or more air streams No air stream One air stream Solid fuel firing Two or more air streams No air stream One air stream ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Is used when gas is to be burnt Provides greater flexibility Provides lesser flexibility In never used Is used when gas is to be burnt Provides greater flexibility Provides lesser flexibility In never used ANSWER DOWNLOAD EXAMIANS APP
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