Refractory bricks burnt at very high temperature have got______________?
Correct answer: A. Greater resistance to corrosion by slags
- A. Greater resistance to corrosion by slags
- B. Less resistance to corrosion by slags
- C. High spalling tendency
- D. None of these
Explanation
Very high-temperature firing promotes sintering and produces a dense, stable refractory structure, improving resistance to attack by molten slags. Such bricks generally have lower porosity and better chemical durability.
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