Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) All of these Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 250 130 80 180 250 130 80 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. 1250 1050 750 350 1250 1050 750 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 80 5 50 20 80 5 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 65 90 25 10 65 90 25 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Radiation of heat from the roof of the combustion chamber None of these Conduction Natural convection Radiation of heat from the roof of the combustion chamber None of these Conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP