Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Maintain the speed of the turbine Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust Maintain the speed of the turbine Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at 0°C 100°C Saturation temperature at given pressure Room temperature 0°C 100°C Saturation temperature at given pressure Room temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Heat transfer area should be optimum Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Handling and maintenance should be easier Heat transfer area should be optimum Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Handling and maintenance should be easier ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Factor of evaporation Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation Boiler effectiveness Boiler evaporative capacity Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Rising characteristic Linear characteristic Flat characteristic Drooping characteristic Rising characteristic Linear characteristic Flat characteristic Drooping characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to 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 Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
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