Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is High alloy steel Duralumin Timken, Haste alloys Stainless steel High alloy steel Duralumin Timken, Haste alloys Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during None of these Polytropic compression Isothermal compression Isentropic compression None of these Polytropic compression Isothermal compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Decrease in flow Increase in flow Increase in efficiency Increase in flow and decrease in efficiency Decrease in flow Increase in flow Increase in efficiency Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From an air conditioned room maintained at 20°C From a side where cooling tower is located nearby From outside atmosphere at 1°C From coal yard side From an air conditioned room maintained at 20°C From a side where cooling tower is located nearby From outside atmosphere at 1°C From coal yard side ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 25 kg/cm² 10 kg/cm² 6 kg/cm² 16 kg/cm² 25 kg/cm² 10 kg/cm² 6 kg/cm² 16 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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