Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact All of these Store smaller quantity of waste heat Involve higher initial cost Are lighter & compact All of these Store smaller quantity of waste heat Involve higher initial cost ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Sources of heat losses Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses Thermal efficiency of the process All of these Scope of reduction of heat losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 5 40 60 20 5 40 60 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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