Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
Correct answer: A. Fireclay
- A. Fireclay
- B. Direct bonded basic
- C. Silica
- D. Magnesite
Explanation
Fireclay bricks are fired at approximately 1250–1400°C, lower than the usual firing temperatures for silica and basic magnesia refractories. Therefore, the stated minimum range corresponds to fireclay bricks.
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