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 Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by induced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? Fuel burns economically Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible Fuel burns economically Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler? Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Balanced draught Induced draught Natural draught Forced draught Balanced draught Induced draught Natural draught Forced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Inversely Rapidly first and then slowly Slowly first and then rapidly Linearly Inversely Rapidly first and then slowly Slowly first and then rapidly Linearly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage All of these Facilitating ash precipitation Corroding air heaters Spontaneous combustion during coal storage All of these Facilitating ash precipitation Corroding air heaters ANSWER DOWNLOAD EXAMIANS APP
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