Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume In not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio In not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Compression work/motor input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Isentropic efficiency Compressor efficiency Euler Pressure coefficient Isentropic efficiency Compressor efficiency Euler Pressure coefficient 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 Decrease Remain unaffected Increase Other factors control it Decrease Remain unaffected Increase Other factors control it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio for the compressor is always _________ unity. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with increase in compression ratio Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
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