Which property of refractories is the most important for top section o – McqOptions

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1.	Which property of refractories is the most important for top section of the blast furnace?
A.	Resistance to abrasion.
B.	Resistance to slag peneration.
C.	Stability of volume at high temperature.
D.	Resistance to corrosion by slag.
Answer» B. Resistance to slag peneration.

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