Furnace Technology Overfire burning in a furnace is a phenomenon characterised by None of these Supply of excess air Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess air Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for None of these Computing the excess/deficiency of combustion air Calculation of flue gas temperature Computation of flue gas analysis None of these Computing the excess/deficiency of combustion air Calculation of flue gas temperature Computation of flue gas analysis ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the combustion air Preheating the fuel gas Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas Increasing the draft in the furnace Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
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