Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam Specific volume of steam All of these Velocity of steam Dryness fraction of steam Specific volume of steam All of these Velocity of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.5 0.1 0.3 0.8 0.5 0.1 0.3 0.8 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of flue tubes in Lancashire boiler is One Four Two Zero One Four Two Zero ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam at throat of the nozzle is __________ the velocity of sound. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
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