Furnace Technology The heat recoverable from flue gases of furnaces depends on the All of these Flue gas temperature drop through the furnace Quantity of flue gases Thermal efficiency of furnace All of these Flue gas temperature drop through the furnace Quantity of flue gases Thermal efficiency of furnace 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 Convection Conduction Radiation Can not be predicted Convection Conduction Radiation Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Are lighter Have higher pressure differential between flue gas & air side Are less costly Occupy more space Are lighter Have higher pressure differential between flue gas & air side Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Neither A nor B Calcination of limestone & dolomite Both A and B Cement manufacture Neither A nor B Calcination of limestone & dolomite Both A and B Cement manufacture 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. None of these Low frequency induction Resistance Arc None of these Low frequency induction Resistance Arc ANSWER DOWNLOAD EXAMIANS APP
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