Coke oven walls are lined with _____________ bricks?
Correct answer: A. Silica
- A. Silica
- B. Tar-dolomite
- C. Low thermal conductivity
- D. Fire clay
Explanation
Silica bricks line coke ovens because they withstand the high operating temperature and have good refractoriness with low chemical interaction with the furnace atmosphere. Fireclay bricks are less suitable for the severe coke-oven temperature conditions.
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