Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential 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 To provide cushioning effect To attain high volumetric efficiency To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Slightly less than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Atmospheric Slightly more than atmospheric Slightly less than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Atmospheric Slightly more than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Surrounding air Compressed atmospheric air None of these Its own oxygen Surrounding air Compressed atmospheric air None of these Its own oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 20 bar 30 bar 10 bar 50 bar 20 bar 30 bar 10 bar 50 bar ANSWER DOWNLOAD EXAMIANS APP
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