Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between None of these Last superheater or reheater and air preheater Induced draft fan and forced draft fan Air preheater and chimney None of these Last superheater or reheater and air preheater Induced draft fan and forced draft fan Air preheater and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1 to 1.25 m 1.75 to 2.75 m 2 to 4 m 1 to 1.75 m 1 to 1.25 m 1.75 to 2.75 m 2 to 4 m 1 to 1.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Control of pollution The draft to be created Limitation of construction facilities Quantity of flue gases to be handled Control of pollution The draft to be created Limitation of construction facilities Quantity of flue gases to be handled ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Air delivered by induced draft fan Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by induced draft fan Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Better burning Less radiation loss More calorific value Medium sized units Better burning Less radiation loss More calorific value Medium sized units ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 150 bar 250 bar 100 bar 200 bar 150 bar 250 bar 100 bar 200 bar ANSWER DOWNLOAD EXAMIANS APP
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