Presence of SO₂ in furnace gases attacks the ferrous metal by way o – McqOptions

MCQOPTIONS

1.	Presence of SO₂ in furnace gases attacks the ferrous metal by way of
A.	Accelerating the rate of scaling
B.	Causing metal embrittlement
C.	Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature
D.	All of the above
Answer» E.

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