Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Kerosene Liquid hydrogen Methyl alcohol High speed diesel oil Kerosene Liquid hydrogen Methyl alcohol High speed diesel oil ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is More Same Depends on other factors Less More Same Depends on other factors Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Increases First increases and then decreases Decreases First decreases and then increases Increases First increases and then decreases Decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Same Higher Lower None of these Same Higher Lower None of these ANSWER DOWNLOAD EXAMIANS APP
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