Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They have high propulsion efficiency They are not air breathing engines They can generate very high thrust These engines can work on several fuels They have high propulsion efficiency They are not air breathing engines They can generate very high thrust These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a Cooling chamber Compressor Heating chamber All of these Cooling chamber Compressor Heating chamber All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Make the flow streamline Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Increase velocity Make the flow streamline Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Does not change Increase Remain same Decrease Does not change Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be As small as possible As large as possible About 50% of swept volume About 100% of swept volume As small as possible As large as possible About 50% of swept volume About 100% of swept volume ANSWER DOWNLOAD EXAMIANS APP