Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Infinitely long Outside temperature is very low Equal to the height of the hot gas column producing draught Around 200 meters Infinitely long Outside temperature is very low Equal to the height of the hot gas column producing draught Around 200 meters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases fuel consumption Increases steam pressure Decreases steam pressure Increases steam flow Decreases fuel consumption Increases steam pressure Decreases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 + moisture content (1 + moisture content) 1 – moisture content (1- moisture content) 1 + moisture content (1 + moisture content) 1 – moisture content (1- moisture content) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. None of these Same Less More None of these Same Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C 100 kg/cm² and 540°C ANSWER DOWNLOAD EXAMIANS APP