Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength Give maximum space ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound None of these Equal to the velocity of sound Less than the velocity of sound More than the velocity of sound None of these Equal to the velocity of sound Less than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Pressure remains constant Velocity increases Velocity decreases Velocity remains constant Pressure remains constant Velocity increases Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Pressure and dryness fraction Pressure only Dryness fraction only Temperature only Pressure and dryness fraction Pressure only Dryness fraction only Temperature only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter of a Locomotive boiler is 2 m 1.5 m 2.5 m 1 m 2 m 1.5 m 2.5 m 1 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Rising characteristic Flat characteristic Linear characteristic Drooping characteristic Rising characteristic Flat characteristic Linear characteristic Drooping characteristic ANSWER DOWNLOAD EXAMIANS APP