Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Curved line Straight inclined line Vertical straight line Horizontal straight line Curved line Straight inclined line Vertical straight line Horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) None of these To give maximum space and strength To withstand the pressure of steam inside the boiler Both (A) and (B) None of these To give maximum space and strength To withstand the pressure of steam inside the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Cooling of steam Both (A) and (B) Regeneration Reheating of steam Cooling of steam Both (A) and (B) Regeneration Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Forced circulation takes place Tubes are laid vertically Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Forced circulation takes place Tubes are laid vertically ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as 50°C and normal atmospheric pressure 100°C and normal atmospheric pressure 100°C and 1.1 bar pressure 50°C and 1.1 bar pressure 50°C and normal atmospheric pressure 100°C and normal atmospheric pressure 100°C and 1.1 bar pressure 50°C and 1.1 bar pressure ANSWER DOWNLOAD EXAMIANS APP
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