Refractoriness under loads (RUL) is quite close to the fusion temperat – McqOptions

MCQOPTIONS

1.	Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks.
A.	fireclay
B.	silica
C.	dolomite
D.	very low alumina
Answer» C. dolomite

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