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. Arc Resistance None of these Low frequency induction Arc Resistance None of these Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Initial temperature of the charged stock Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous 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 Conduction Convection Radiation Can not be predicted Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Method of mixing the fuel & air All of these Preheat temperature of fuel & air Heat release rate of the fuel Method of mixing the fuel & air All of these Preheat temperature of fuel & air Heat release rate of the fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Open hearth furnace Coke oven heating chamber Both A and B Neither A nor B Open hearth furnace Coke oven heating chamber Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
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