Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 0.5% 0.1% 1.0% 5% 0.5% 0.1% 1.0% 5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.50069444444444 0.20902777777778 3.5 : 1 0.33402777777778 0.50069444444444 0.20902777777778 3.5 : 1 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Provides greater flexibility Is used when gas is to be burnt Provides lesser flexibility In never used Provides greater flexibility Is used when gas is to be burnt Provides lesser flexibility In never used ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow 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 1.3 1.4 1.2 1 1.3 1.4 1.2 ANSWER DOWNLOAD EXAMIANS APP
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