Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 99 85 50 65 99 85 50 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Emissivity of refractory walls Flue gas temperature Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Flue gas temperature Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Oxidising Reducing Decarburising Inert Oxidising Reducing Decarburising Inert ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which one is not an induced draught furnace? High pressure boiler Blast furnace stove Sintering furnace None of these High pressure boiler Blast furnace stove Sintering furnace None of these 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) Air supplied and furnace temperature All of these 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) Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Type of burner and combustion chamber Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler All of these Type of burner and combustion chamber Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler All of these ANSWER DOWNLOAD EXAMIANS APP