Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry steam at desired boiler pressure And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry steam at desired boiler pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Area of nozzle at throat Final pressure of steam leaving the nozzle Both (A) and (B) Initial pressure and volume of steam Area of nozzle at throat Final pressure of steam leaving the nozzle Both (A) and (B) Initial pressure and volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.582 0.528 0.546 0.577 0.582 0.528 0.546 0.577 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Increases Has no effect on None of these Decreases Increases Has no effect on None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. Less More None of these Equal Less More None of these Equal ANSWER DOWNLOAD EXAMIANS APP
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