Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant 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 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian’s line follows the law (where b = A constant representing the shape of the Willian’s line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour) m = (b/I.P.) - a I.P. = b × m + a I.P. = a × m + b m = a + b × I.P. m = (b/I.P.) - a I.P. = b × m + a I.P. = a × m + b m = a + b × I.P. ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 78-81% 81-85% 85-90% 90-95% 78-81% 81-85% 85-90% 90-95% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Smoky chimney exit Measuring temperature of flue gases at exit of furnace Measuring carbon monoxide in flue gases Excess air in flue gases Smoky chimney exit Measuring temperature of flue gases at exit of furnace Measuring carbon monoxide in flue gases Excess air in flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are None of these Internally fired Internally as well as externally fired Externally fired None of these Internally fired Internally as well as externally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
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