Outer combustion chamber of blast furnace stove is lined with _____________ bricks?
Correct answer: A. Fireclay
- A. Fireclay
- B. Silica
- C. Chrome magnesite
- D. Zirconia
Explanation
The outer combustion chamber of a blast-furnace stove is commonly lined with fireclay bricks, which provide adequate refractoriness at lower cost. Silica and chrome-magnesite are reserved for more severe or chemically specific zones.
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