Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is High alloy steel Timken, Haste alloys Duralumin Stainless steel High alloy steel Timken, Haste alloys Duralumin Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Rankine cycle Carnot cycle Ericsson cycle Joule cycle Rankine cycle Carnot cycle Ericsson cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isothermal Polytropic Any one of these Isentropic Isothermal Polytropic Any one of these Isentropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase Remain same Decrease None of these Increase Remain same Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To provide cushioning effect To attain high volumetric efficiency To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head To provide cushioning effect To attain high volumetric efficiency To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
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