Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C All of these To ensure uniform temperature To increase heat transfer by convection In furnaces, operating below 750°C All of these To ensure uniform temperature To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Neither A nor B Recuperative Both A and B Regenerative Neither A nor B Recuperative Both A and B Regenerative ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Open hearth furnace Soaking pit Reheating furnace Muffle furnace Open hearth furnace Soaking pit Reheating furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 25-30 65-70 45-50 44119 25-30 65-70 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Positive pressure exists in the furnace None of these The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace None of these The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Neither A nor B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Both A & B Neither A nor B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Both A & B ANSWER DOWNLOAD EXAMIANS APP
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