Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a water tube boiler? Lancashire boiler Locomotive boiler Babcock and Wilcox boiler Cochran boiler Lancashire boiler Locomotive boiler Babcock and Wilcox boiler Cochran boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. None of these Less More Equal None of these Less More Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Flue gases pass through tubes and water around it Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Change in enthalpy Flue gases pass through tubes and water around it Work is done during adiabatic expansion Water passes through the tubes and flue gases around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It erodes furnace walls It helps in electrostatic precipitation of ash in flue gases It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It erodes furnace walls It helps in electrostatic precipitation of ash in flue gases It has heating value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption ANSWER DOWNLOAD EXAMIANS APP
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