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A. Low co-efficient of expansion
B. High RUL (1600°C) and refractoriness (> 2000°C)
C. High spalling resistance
D. All A., B. and C.
Related Mcqs:
- Grog addition in fireclay during brick manufacture is done to_________________?
- A. Reduce its shrinkage on heating B. Impart greater spalling resistance C. Enhance the strength of fired refractories D. All A., B. and C....
- Which is the stable form of silica upto 1470°C ?
- A. Quartz B. Cristobalite C. Tridymite D. None of these...
- Which is not an alumino-silicate refractory ?
- A. Fireclay bricks B. Mullite bricks C. Tar dolomite bricks D. High alumina bricks...
- Which of the following bricks should not be used, if the furnace is to be used intermittently ?
- A. Firebricks B. Silica bricks C. Silicon carbide bricks D. Sillimanite...
- Mullite is chemically represented by_________________?
- A. Al2O3. 2SiO2 B. 3Al2O3. 2SiO2 C. Al2O3. SiO2 D. 2Al2O3. 3SiO2...
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