Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 10 to 40% 70 to 90% 60 to 70% 40 to 60% 10 to 40% 70 to 90% 60 to 70% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Same Low Low/high depending on make and type High Same Low Low/high depending on make and type High ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to All of the listed here Inlet losses Impeller channel losses Diffuser losses All of the listed here Inlet losses Impeller channel losses Diffuser losses ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vi = Vo U < Vo Vt > Vo V = Uo Vi = Vo U < Vo Vt > Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators in compressor installations are located After receiver Between after-cooler and air receiver Before inter-cooler After inter-cooler After receiver Between after-cooler and air receiver Before inter-cooler After inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Compression index Compressor efficiency Compression ratio Mean effective pressure Compression index Compressor efficiency Compression ratio Mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
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