Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High specific volume High friction losses Paucity of O2 Increasing gas temperature High specific volume High friction losses Paucity of O2 Increasing gas temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw Less power More power Same power More/less power depending on other factors Less power More power Same power More/less power depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 1.0 kg 2.2 kg 1.3 kg 0.5 kg 1.0 kg 2.2 kg 1.3 kg 0.5 kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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 Propulsive efficiency is defined as ratio of Engine output and propulsive power Propulsive power and fuel input Thrust power and propulsive power Thrust power and fuel energy Engine output and propulsive power Propulsive power and fuel input Thrust power and propulsive power Thrust power and fuel energy ANSWER DOWNLOAD EXAMIANS APP