Furnace Technology Thermal efficiency of furnaces can be improved by Minimising heat losses from furnace walls All of these Maintaining proper draught Waste heat recovery from flue gas Minimising heat losses from furnace walls All of these Maintaining proper draught Waste heat recovery from flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 99 50 65 85 99 50 65 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature All 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 calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Blast furnace Soaking pit L.D. converter Calcination kiln Blast furnace Soaking pit L.D. converter Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
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