Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Metallic recuperator None of these Ceramic recuperator Regenerator Metallic recuperator None of these Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln By-product coke oven Sintering furnace Open hearth furnace Calcination kiln By-product coke oven Sintering furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Soaking pits are meant for heating steel Sheets Slabs Ingots Coils Sheets Slabs Ingots Coils ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss Heat transfer rate in the furnace Oxygen in the flue gas Flame temperature Stack loss Heat transfer rate in the furnace Oxygen in the flue gas Flame temperature 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 None of these Positive pressure exists in the furnace 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 None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space ANSWER DOWNLOAD EXAMIANS APP
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