Furnace Technology The main function of a muffle in the muffle furnace is to Neither A nor B Both A & B Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall Neither A nor B Both A & B Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Sintering furnace Calcination kiln Open hearth furnace By-product coke oven Sintering furnace Calcination kiln Open hearth furnace By-product coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Arc None of these Low frequency induction Resistance Arc None of these Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
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