Chromite refractories are used in_______________?
Correct answer: D. Both A. & B.
- A. Bottom of soaking pits
- B. Between acid & basic linings in basic open hearth furnaces to prevent their chemical action
- C. with each other
- D. Both A. & B.
- E. Neither A. and B.
Explanation
Chromite refractories are used at the bottom of soaking pits and as an intermediate lining between acidic and basic refractories. This buffer layer prevents direct chemical reaction between the two incompatible linings.
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