Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators Non-preheated combustion air Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators Non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have CO in flue gas No O₂ in flue gas None of these High excess air CO in flue gas No O₂ in flue gas None of these High excess air 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 Radiation Can not be predicted Convection Conduction Radiation Can not be predicted Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Neither A nor B Protect the charge from the effects of the products of combustion Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Neither A nor B Protect the charge from the effects of the products of combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace Mass transfer co-efficient Heat transfer by forced convection in a reboiler Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace Mass transfer co-efficient Heat transfer by forced convection in a reboiler 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 Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity ANSWER DOWNLOAD EXAMIANS APP