Compressors, Gas Turbines and Jet Engines After-cooler is used to Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Low freezing point Ease of atomisation Both (A) and (C) above High calorific value Low freezing point Ease of atomisation Both (A) and (C) above High calorific value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Higher at high altitudes Same at all altitudes Higher at high speed Lower at low speed Higher at high altitudes Same at all altitudes Higher at high speed Lower at low speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Produces a jet consisting of plasma Is not self operating at zero flight speed Is self operating at zero flight speed Requires no air for its operation Produces a jet consisting of plasma Is not self operating at zero flight speed Is self operating at zero flight speed Requires no air for its operation 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 Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action ANSWER DOWNLOAD EXAMIANS APP
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