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.Management Sciences
A. Refractoriness
B. Melting point
C. Rate at which a fluid will pass through the pores
D. Expansion during heating
Related Mcqs:
- Si percentage in silica refractories used in the walls of coke oven is about______________________?
- A. 45 B. 60 C. 80 D. 95...
- Conversion of silica mineral to Cristobalite is accompanied by reduction in its ____________________?
- A. Volume B. Specific gravity C. Both A. & B. D. Neither A. nor B....
- Which of the following is not an acidic refractory?
- A. Silica bricks B. Fireclay bricks C. Bauxite bricks D. Magnesia bricks...
- High porosity refractory bricks have _______________?
- A. Poor resistance to the penetration of molten slag, metal & flue gases B. Poor heat conductivity & low strength C. Better thermal spalling resistance D. All A., B. and C....
- Which is a basic refractory ?
- A. Fireclay B. Silica C. Chrome magnesite D. None of these...
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