Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of thermal efficiency Increase of work ratio Both (A) and (B) above Decrease of work ratio Decrease of thermal efficiency Increase of work ratio Both (A) and (B) above Decrease of work ratio 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 Decreases as clearance volume increases Is independent of clearance volume Increases as clearance volume increases Increases as clearance volume decreases Decreases as clearance volume increases Is independent of clearance volume Increases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Other factors control it Increase Decrease Remain unaffected Other factors control it Increase Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.001 0.05 0.005 0.01 0.001 0.05 0.005 0.01 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 1.2506944444444 1.6673611111111 2.0840277777778 2.5006944444444 1.2506944444444 1.6673611111111 2.0840277777778 2.5006944444444 ANSWER DOWNLOAD EXAMIANS APP
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