Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Reduce volume of air Cool the air Cause moisture and oil vapour to drop out Remove impurities from air Reduce volume of air Cool the air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed/open depending on other considerations Closed cycle & Open cycle Closed cycle Open cycle Closed/open depending on other considerations Closed cycle & Open cycle Closed cycle Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To enable start thermal power plant To supply base load requirements To supply peak load requirements In emergency To enable start thermal power plant To supply base load requirements To supply peak load requirements In emergency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Inclined Perpendicular Parallel None of these Inclined Perpendicular Parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the axial flow gas turbine, the work ratio is the ratio of Compressor work and turbine work Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Output and input Actual compressor work and theoretical compressor work Compressor work and turbine work Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Output and input Actual compressor work and theoretical compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered by the compressor is called Free air delivery Swept volume Compressor capacity None of the listed here Free air delivery Swept volume Compressor capacity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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