Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Conversion of kinetic energy into pressure energy Generating pressure directly Conversion of pressure energy into kinetic energy Centripetal action Conversion of kinetic energy into pressure energy Generating pressure directly Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Atmosphere Back to the compressor Discharge nozzle Vacuum Atmosphere Back to the compressor Discharge nozzle Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases None of these Does not change Decreases Increases None of these Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine for the combustion of its fuel Uses surrounding air Carries its own oxygen Uses compressed atmospheric air Does not require oxygen Uses surrounding air Carries its own oxygen Uses compressed atmospheric air Does not require oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle without clearance on P-V diagram can be represented by following processes Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume One adiabatic, two isobaric, and one constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Volumetric efficiency is high Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Volumetric efficiency is high ANSWER DOWNLOAD EXAMIANS APP
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