Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 5% 1.0% 0.1% 0.5% 5% 1.0% 0.1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Lost work Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Lost work Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant temperature Constant pressure None of the listed here Constant volume Constant temperature Constant pressure None of the listed here Constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High friction losses Increasing gas temperature Paucity of O2 High specific volume High friction losses Increasing gas temperature Paucity of O2 High specific volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume decreases Increases as clearance volume increases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume decreases Increases as clearance volume increases Is independent of clearance volume Decreases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
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