Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Screw Reciprocating Centrifugal Axial Screw Reciprocating Centrifugal Axial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very slow speed At average speed At zero speed At very high speed At very slow speed At average speed At zero speed At very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Duralumin High alloy steel Timken, Haste alloys Stainless steel Duralumin High alloy steel Timken, Haste alloys Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential 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 To provide cushioning effect To attain high volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Centripetal action Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Generating pressure directly Centripetal action Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP