Furnace Technology In a muffle furnace, the muffle All of these Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer All of these Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Can not be predicted Conduction Convection Radiation Can not be predicted Conduction Convection Radiation 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 Fuel economy in an industrial furnace operation can not be achieved by the use of Non-preheated combustion air Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators Non-preheated combustion air Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Thermal conductivity of stock All of these Temperature of flue gas Thickness of heating stock Thermal conductivity of stock All of these Temperature of flue gas Thickness of heating stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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) 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
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