Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Same at all altitudes Higher at high altitudes Lower at low speed Higher at high speed Same at all altitudes Higher at high altitudes Lower at low speed Higher at high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.3 1 1.2 1.4 1.3 1 1.2 1.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases Decreases Does not change None of these Increases Decreases Does not change None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is Same More May be less or more depending upon speed Less Same More May be less or more depending upon speed Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume 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 accommodate Valves in the cylinder head To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To provide cushioning effect To attain high volumetric efficiency To accommodate Valves in the cylinder head To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head ANSWER DOWNLOAD EXAMIANS APP
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