Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Polytropically Isentropically None of these Isothermally Polytropically Isentropically None of these Isothermally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that All of the listed here The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic There is no pressure drop in the inter-cooler All of the listed here The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is None of these Above 5 m³/s 0.1 to 1.2 m³/s 0.15 to 5 m³/s None of these Above 5 m³/s 0.1 to 1.2 m³/s 0.15 to 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase power output Increase temperature Increase speed Reduce turbine size Increase power output Increase temperature Increase speed Reduce turbine size ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the turbine work Increasing the compression work Both (A) and (C) above Decreasing the compression work Increasing the turbine work Increasing the compression work Both (A) and (C) above Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP
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