Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades has higher efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To attain high volumetric efficiency To provide cushioning effect To accommodate Valves in the cylinder head To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To attain high volumetric efficiency To provide cushioning effect 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
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Reciprocating Axial Screw Centrifugal Reciprocating Axial Screw Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Depends on other factors More Less Same Depends on other factors More Less Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Reciprocating compressor Axial flow compressor Radial flow compressor Roots blower Reciprocating compressor Axial flow compressor Radial flow compressor ANSWER DOWNLOAD EXAMIANS APP
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