Furnace Technology In a muffle furnace, the muffle All of these Retards the heat transfer Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock All of these Retards the heat transfer Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Fire tube Waste heat Natural circulation Water tube Fire tube Waste heat Natural circulation Water tube ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Conduction Radiation of heat from the roof of the combustion chamber None of these Natural convection Conduction Radiation of heat from the roof of the combustion chamber None of these Natural convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 80 20 40 60 80 20 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Coke ovens Open hearth furnace Neither A nor B Both A & B Coke ovens Open hearth furnace Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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