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 The working pressure range for a LaMont boiler is 3.5 to 20 MN/m² 2.5 to 15 MN/m² 0.5 to 10 MN/m² 1 to 15 MN/m² 3.5 to 20 MN/m² 2.5 to 15 MN/m² 0.5 to 10 MN/m² 1 to 15 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to ps - pa pa - ps pa + ps None of these ps - pa pa - ps pa + ps None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The pressure and temperature of steam remains constant The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Number of entries of steam Number of exits of steam Each row of blades Number of casing Number of entries of steam Number of exits of steam Each row of blades Number of casing 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 has one flue tube whereas Lancashire boiler has two flue tubes 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 two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS