Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing of steam engines is a method of controlling the engine output by varying Temperature of intake steam Pressure of intake steam Volume of intake steam All of these Temperature of intake steam Pressure of intake steam Volume of intake steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at the same pressure at which feed water is supplied Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at the same pressure at which feed water is supplied Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Throttling process Isentropic process Isothermal process Free expansion process Throttling process Isentropic process Isothermal process Free expansion process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals to atmospheric pressure Equals 760 mm of mercury Equals that of the surroundings Equals the pressure of water in the container Equals to atmospheric pressure Equals 760 mm of mercury Equals that of the surroundings Equals the pressure of water in the container ANSWER DOWNLOAD EXAMIANS APP