Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - r ɣ-1 r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - r ɣ-1 r ɣ-1 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 The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.001 0.01 0.005 0.05 0.001 0.01 0.005 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is May be less or more depending upon speed More Less Same May be less or more depending upon speed More Less Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. More than None of these Less than Equal to More than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
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