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
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a Safety valve All of these Water level indicator Pressure gauge Safety valve All of these Water level indicator Pressure gauge 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 pa - ps None of these ps - pa pa + ps pa - ps None of these ps - pa pa + ps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases Remains unchanged Increases/decreases depending on steam temperature requirements Decreases Increases Remains unchanged Increases/decreases depending on steam temperature requirements Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Pressure only Dryness fraction only Temperature only Pressure and dryness fraction Pressure only Dryness fraction only Temperature only Pressure and dryness fraction ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by Pressure and dryness fraction Pressure alone Pressure and temperature Temperature alone Pressure and dryness fraction Pressure alone Pressure and temperature Temperature alone ANSWER DOWNLOAD EXAMIANS APP