Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Fouling of heat transfer surfaces High calorific value coal being burnt Higher effectiveness of boiler Raising of steam temperature Fouling of heat transfer surfaces High calorific value coal being burnt Higher effectiveness of boiler Raising of steam temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To provide an adequate supply of air for the fuel combustion All of the listed here To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion All of the listed here To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Promotes complete combustion Retards electric precipitation Has high heating value Has highly corrosive effect Promotes complete combustion Retards electric precipitation Has high heating value Has highly corrosive effect ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Prevent flat surfaces under pressure from tearing apart Provide support for boiler Take care of failure in compression Take care of failure in shear Prevent flat surfaces under pressure from tearing apart Provide support for boiler Take care of failure in compression Take care of failure in shear ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Lower calorific value Fixed carbon, ash, volatile matter, moisture Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Fixed carbon, ash, volatile matter, moisture Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Increases Decreases Remain constant May increase or decrease depending upon the method of storage Increases Decreases Remain constant May increase or decrease depending upon the method of storage ANSWER DOWNLOAD EXAMIANS APP
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