Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are All of these Reduction in scale losses Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses Increase in flame temperature Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in Soaking pits Blast furnace stoves By-product coke ovens Beehive coke oven Soaking pits Blast furnace stoves By-product coke ovens Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 25-30 65-70 44119 45-50 25-30 65-70 44119 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by All of these Using oxygen enriched combustion air Preheating the combustion air Reducing the heat loss through furnace openings & doors All of these Using oxygen enriched combustion air Preheating the combustion air Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
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