Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke None of these Increases Decreases Does not change None of these Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 23 m 2.53.5 m 1.52.5 m 12 m 23 m 2.53.5 m 1.52.5 m 12 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from 5 to 6 m 6 to 7 m 9 to 10 m 7.25 to 9 m 5 to 6 m 6 to 7 m 9 to 10 m 7.25 to 9 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon Initial conditions of steam Initial pressure of steam Back pressure All of these Initial conditions of steam Initial pressure of steam Back pressure All of these ANSWER DOWNLOAD EXAMIANS APP
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