Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 427 kcal/ kg 100 kcal/ kg 539 kcal/ kg 539 BTU/ lb 427 kcal/ kg 100 kcal/ kg 539 kcal/ kg 539 BTU/ lb ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation is defined as The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated or steam produced in kg per kg of fuel burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler are Inclined Vertical None of these Horizontal Inclined Vertical None of these Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes in a Lancashire boiler compared to its shell is One-third One-half Two-fifth Two-fourth One-third One-half Two-fifth Two-fourth ANSWER DOWNLOAD EXAMIANS APP
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