Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Retards electric precipitation Has high heating value Promotes complete combustion Has highly corrosive effect Retards electric precipitation Has high heating value Promotes complete combustion Has highly corrosive effect ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 2 to 4.5 m 3 to 5 m 7 to 9 m 5 to 7.5 m 2 to 4.5 m 3 to 5 m 7 to 9 m 5 to 7.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are High Low None of these Moderate High Low None of these Moderate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = H'/2g V = 2g H' V = 2g/H' V = 2gH' V = H'/2g V = 2g H' V = 2g/H' V = 2gH' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum space Give maximum strength Resist intense heat in fire box Withstand pressure inside boiler Give maximum space Give maximum strength Resist intense heat in fire box Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP