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Chemical Engineering - Furnace Technology - Discussion

Discussion Forum : Furnace Technology - Section 3 (Q.No. 5)
Furnace Technology
5.
Presence of SO2 in furnace gases attacks the ferrous metal by way of
accelerating the rate of scaling.
causing metal embrittlement.
attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature.
all (a), (b) and (c).
Answer: Option
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