Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Decrease the mass flow rate and to increase the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to decrease the wetness of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is No heat drop in fixed blades Maximum heat drop in moving blades No heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades Maximum heat drop in moving blades No heat drop in moving blades Maximum heat drop in fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of the reheat factor varies from 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It has heating value It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It helps in electrostatic precipitation of ash in flue gases It has heating value It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It helps in electrostatic precipitation of ash in flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
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