Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. None of these Decreases Remains constant Increases None of these Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Medium sized units Less radiation loss More calorific value Better burning Medium sized units Less radiation loss More calorific value Better burning ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon Turbine stage efficiency Initial pressure and superheat All of these Exit pressure Turbine stage efficiency Initial pressure and superheat All of these Exit pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/kg of fuel burnt All of the listed here Amount of water evaporated per hour Steam produced in kg/h Steam produced in kg/kg of fuel burnt All of the listed here Amount of water evaporated per hour Steam produced in kg/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) T1 /88.25H 176.5H/T1 T1 /176.5H 88.25H/T1 T1 /88.25H 176.5H/T1 T1 /176.5H 88.25H/T1 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blow off cock in a boiler is used to Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required ANSWER DOWNLOAD EXAMIANS APP