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 Low frequency induction None of these Resistance Arc Low frequency induction None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Sources of heat losses Thermal efficiency of the process Scope of reduction of heat losses All of these Sources of heat losses Thermal efficiency of the process Scope of reduction of heat losses All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Boiler Rotary kilns L.D. converter Coke oven Boiler Rotary kilns L.D. converter Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time Temperature All of these Nature of atmosphere Time Temperature All of these Nature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to 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 Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these ANSWER DOWNLOAD EXAMIANS APP