Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 270° 180° 60° 90° 270° 180° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Binary vapor plant Any one of these Regenerative feed heating Reheating of steam Binary vapor plant Any one of these Regenerative feed heating Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) None of these Remains constant Decreases Increases None of these Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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