Refractoriness under load (RUL) is the most important property for the – McqOptions

MCQOPTIONS

1.	Refractoriness under load (RUL) is the most important property for the refractory bricks
A.	at the hearth bottom of the furnace on which stock is placed.
B.	used for furnace insulation.
C.	used in the roof of the furnace.
D.	none of these.
Answer» B. used for furnace insulation.

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