Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Temperature of furnace gases Height of chimney Climatic conditions All of these Temperature of furnace gases Height of chimney Climatic conditions All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 1.52.5 m 23 m 2.53.5 m 12 m 1.52.5 m 23 m 2.53.5 m 12 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure. 2 times Same as 4 times 8 times 2 times Same as 4 times 8 times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to 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 Increase the temperature of saturated steam without raising its pressure ANSWER DOWNLOAD EXAMIANS APP
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