Silica refractories are not used in _________________?
Correct answer: C. Beehive coke ovens
- A. Coke oven walls
- B. Dome and upper portion of B.F. stoves
- C. Beehive coke ovens
- D. Open hearth furnace roof
Explanation
Silica refractories are used in coke-oven walls, blast-furnace stove domes and open-hearth roofs because they tolerate high temperatures and acidic conditions. Beehive coke ovens generally use fireclay refractories instead.
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