Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Blow off cock Fusible plug Stop valve Safety valve Blow off cock Fusible plug Stop valve Safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.5 to 2.5 m 1.25 to 2.25 m 1 to 2 m 1.75 to 2.75 m 1.5 to 2.5 m 1.25 to 2.25 m 1 to 2 m 1.75 to 2.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? None of the listed here Non-coking bituminous coal Brown coal Peat None of the listed here Non-coking bituminous coal Brown coal Peat ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to pa - ps pa + ps ps - pa None of these pa - ps pa + ps ps - pa None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Reheat factor Stage efficiency Internal efficiency Rankine efficiency Reheat factor Stage efficiency Internal efficiency Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 70 percent 60 percent 50 percent 40 percent 70 percent 60 percent 50 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
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