Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source at 0° C A source of high temperature air A source of low temperature air The atmosphere A source at 0° C A source of high temperature air A source of low temperature air The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 6 kg/cm² 25 kg/cm² 16 kg/cm² 10 kg/cm² 6 kg/cm² 25 kg/cm² 16 kg/cm² 10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isothermal Isentropic Polytropic Any one of these Isothermal Isentropic Polytropic Any one of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
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