Steam Boilers, Engines, Nozzles and Turbines In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.4 0.5 0.25 0.8 0.4 0.5 0.25 0.8 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It erodes furnace walls It helps in electrostatic precipitation of ash in flue gases It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It erodes furnace walls It helps in electrostatic precipitation of ash in flue gases It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught in locomotive boilers is produced by a Centrifugal fan Steam jet None of these Chimney Centrifugal fan Steam jet None of these Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as None of these By-pass governing Throttle governing Cut-off governing None of these By-pass governing Throttle governing Cut-off governing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Internal efficiency Rankine efficiency None of these Stage efficiency Internal efficiency Rankine efficiency None of these Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
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