An indication of degree of firing in silica brick is its____________________?
Correct answer: A. Specific gravity
- A. Specific gravity
- B. Fusion point
- C. RUL
- D. None of these
Explanation
Specific gravity indicates the extent of conversion of silica minerals during firing; properly fired silica brick generally has the expected low specific gravity. Fusion point and RUL are performance properties, not the usual direct firing indicator here.
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