Furnace Technology Decarburisation of steel All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling 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) All of these 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 Burner design (thoroughness of mixing versus stratification) All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Power plant boilers None of these Blast furnace stoves Sintering furnace Power plant boilers None of these Blast furnace stoves Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Soaking pit Cupola Open hearth furnace Reheating furnace Soaking pit Cupola Open hearth furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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