Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? High pressure boiler Coke oven Blast furnace stoves Beehive coke oven High pressure boiler Coke oven Blast furnace stoves Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Unit of furnace loading is Ton stock/hr/m² hearth area Ton stock/m² hearth area Both B and C Ton stock/hr Ton stock/hr/m² hearth area Ton stock/m² hearth area Both B and C Ton stock/hr ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? By-product coke oven Open hearth furnace Calcination kiln Sintering furnace By-product coke oven Open hearth furnace Calcination kiln Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 50 80 20 5 50 80 20 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
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