Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbojet Ramjet Turbo-propeller Rocket Turbojet Ramjet Turbo-propeller Rocket ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 20 - 30% 40 - 50% 60 - 70% 70 - 90% 20 - 30% 40 - 50% 60 - 70% 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 turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbines has flat efficiency at part loads Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbines has flat efficiency at part loads ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Duralumin Timken, Haste alloys Stainless steel High alloy steel Duralumin Timken, Haste alloys Stainless steel High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Convert kinetic energy of air into pressure energy Beautify the shape Collect more air Provide robust structure Convert kinetic energy of air into pressure energy Beautify the shape Collect more air Provide robust structure ANSWER DOWNLOAD EXAMIANS APP