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 Protect the charge from the effects of the products of combustion Neither A nor B Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Glass melting tank Soaking pit Blast furnace L.D. converter Glass melting tank Soaking pit Blast furnace L.D. converter 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 20 60 5 40 20 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 4500 3000 2000 6000 4500 3000 2000 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 Conduction Convection Can not be predicted Radiation Conduction Convection Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Hearth area and furnace temperature Ratio of wall surface to stock surface Emissivity of the stock All of these Hearth area and furnace temperature Ratio of wall surface to stock surface Emissivity of the stock All of these ANSWER DOWNLOAD EXAMIANS APP
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