Furnace Technology Advantages of use of preheated combustion air are Saving in fuel consumption Reduction in scale losses Increase in flame temperature All of these Saving in fuel consumption Reduction in scale losses Increase in flame temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 750 1050 1250 350 750 1050 1250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the None of these Muffle furnace Reheating furnace Soaking pit None of these Muffle furnace Reheating furnace Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Measurement of flue gas volume Pressure adjustment Temperature control Movement of gases Measurement of flue gas volume Pressure adjustment Temperature control Movement of gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 50 65 99 85 50 65 99 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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 Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) ANSWER DOWNLOAD EXAMIANS APP