Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Decrease Remain same Does not change Increase Decrease Remain same Does not change Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in 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 Closed cycle ANSWER DOWNLOAD EXAMIANS APP
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 Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 1.5 m³/ mt. 18 m³/ mt. 3 m³/ mt. 6 m³/ mt. 1.5 m³/ mt. 18 m³/ mt. 3 m³/ mt. 6 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Constant speed unloader Relief valve Variable speed Start-stop motor Constant speed unloader Relief valve Variable speed Start-stop motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
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