Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 5% 0.5% 1.0% 0.1% 5% 0.5% 1.0% 0.1% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Air stream blocking the passage Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in all stages should be equal Work done in subsequent stages should increase Work done in subsequent stages should decrease Work done in first stage should be more Work done in all stages should be equal Work done in subsequent stages should increase Work done in subsequent stages should decrease Work done in first stage should be more ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 2.5006944444444 1.2506944444444 2.0840277777778 1.6673611111111 2.5006944444444 1.2506944444444 2.0840277777778 1.6673611111111 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1 1.4 1.2 1.3 1 1.4 1.2 1.3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 10 to 40% 60 to 70% 40 to 60% 70 to 90% 10 to 40% 60 to 70% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
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