Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed None of these Before the superheater Between the economiser and chimney Before the economiser None of these Before the superheater Between the economiser and chimney Before the economiser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Very low pressure Atmospheric pressures Very high pressures Medium pressures Very low pressure Atmospheric pressures Very high pressures Medium pressures ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m 1 to 1.25 m 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m 1 to 1.25 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as Forced circulation boiler Natural circulation boiler Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler Externally fired boiler Internally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature Higher effectiveness of boiler High calorific value coal being burnt Fouling of heat transfer surfaces Raising of steam temperature Higher effectiveness of boiler High calorific value coal being burnt Fouling of heat transfer surfaces ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Frictional power Brake power Indicated power None of these Frictional power Brake power Indicated power None of these ANSWER DOWNLOAD EXAMIANS APP
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