Furnace Technology In a furnace employing forced draught as compared to induced draught, 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Regenerator Waste heat boiler Economiser Ceramic recuperator Regenerator Waste heat boiler Economiser Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in By-product coke ovens Soaking pits Beehive coke oven Blast furnace stoves By-product coke ovens Soaking pits Beehive coke oven Blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100% CO 100 %H₂ 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100% CO 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock Steam generation in waste heat boilers Preheating of combustion air All of these Preheating of cold stock Steam generation in waste heat boilers Preheating of combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
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