Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former is used for high installed capacity Rate of steam flow is more in former case Former occupies less space for same power Chances of explosion are less in former case Former is used for high installed capacity Rate of steam flow is more in former case Former occupies less space for same power Chances of explosion are less in former case ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reheat the steam and improve its quality Maintain the speed of the turbine Completely balance against end thrust Reduce the effective heat drop Reheat the steam and improve its quality Maintain the speed of the turbine Completely balance against end thrust Reduce the effective heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces pH value of water Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The fuel and water available The geographical position of the power house The power required and working pressure All of these The fuel and water available The geographical position of the power house The power required and working pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 2 to 4.5 m 7 to 9 m 5 to 7.5 m 3 to 5 m 2 to 4.5 m 7 to 9 m 5 to 7.5 m 3 to 5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases the efficiency of the boiler Enables low grade fuel to be burnt All of these Increases evaporative capacity of the boiler Increases the efficiency of the boiler Enables low grade fuel to be burnt All of these Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
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