Furnace Technology Advantages of use of preheated combustion air are All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses 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) All of these Air supplied and furnace temperature 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) All of these Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 99 50 85 65 99 50 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Speed of I.D. fan Air pressure Damper Fuel gas pressure Speed of I.D. fan Air pressure Damper Fuel gas pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Beryllium Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria Graphite powder ANSWER DOWNLOAD EXAMIANS APP
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