Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases 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 None of these pa - ps pa + ps ps - pa None of these pa - ps pa + ps ps - pa ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The behavior of coal in a furnace is determined by The exact analysis The content of sulphur The content of ash and heating value The proximate analysis The exact analysis The content of sulphur The content of ash and heating value The proximate analysis ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as Diagram efficiency Gross efficiency None of these Nozzle efficiency Diagram efficiency Gross efficiency None of these Nozzle efficiency 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
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