Porosity of fireclay refractories is __________ percent. Options: A . &nbsp5-10 B . &nbsp10-25 C . &nbsp25-35 D . &nbsp35-50

Porosity of fireclay refractories is _________

Question

Porosity of fireclay refractories is __________ percent.

Options:

A . 5-10

B . 10-25

C . 25-35

D . 35-50

Answer: Option B

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