Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 850 650 1000 250 850 650 1000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns 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
Furnace Technology Regenerators are used for waste heat recovery in Beehive coke oven Blast furnace stoves Soaking pits By-product coke ovens Beehive coke oven Blast furnace stoves Soaking pits By-product coke ovens ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. All of these H₂ High CO/CO₂ CO All of these H₂ High CO/CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
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