Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is All of the listed here To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney 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 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. Less than Higher than Equal to None of these Less than Higher than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A valve installed between the boiler and the feed pump is Blow off cock Feed check valve Steam stop valve None of these Blow off cock Feed check valve Steam stop valve None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Brown coal None of the listed here Peat Non-coking bituminous coal Brown coal None of the listed here Peat Non-coking bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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