Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by forced 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 forced draft fan Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Area of nozzle at throat Initial pressure and volume of steam Final pressure of steam leaving the nozzle Both (A) and (B) Area of nozzle at throat Initial pressure and volume of steam Final pressure of steam leaving the nozzle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve usually employed with stationary boilers is Lever safety valve High steam and low water safety valve Dead weight safety valve All of the listed here Lever safety valve High steam and low water safety valve Dead weight safety valve All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 135 tonnes/h 100 tonnes/h 250 tonnes/h 175 tonnes/h 135 tonnes/h 100 tonnes/h 250 tonnes/h 175 tonnes/h ANSWER DOWNLOAD EXAMIANS APP