Hot metal runner in blast furnace are lined with ______________ bricks?
Correct answer: A. Fireclay
- A. Fireclay
- B. Carborundum
- C. Silica
- D. Magnesite
Explanation
Fireclay bricks are commonly used to line hot-metal runners because they withstand high temperature and contact with molten iron at reasonable cost. Silica and magnesite are selected for more specific chemical or thermal conditions.
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