Search
.Management Sciences
A. Wetting characteristics
B. Refractoriness
C. Thermal conductivity
D. Both B. and C.
Related Mcqs:
- Segar cones are used for the determination of ____________ of refractories?
- A. Softening temperature B. Spalling resistance C. Electrical conductivity D. Resistance to slag attack...
- Which one expands on heating ?
- A. Silica bricks B. Fireclay bricks C. Both A. & B. D. Neither A. nor B....
- Electrical resistor bars are made of _______________?
- A. Silicon carbide B. Alumina C. Zirconia D. Graphite...
- Sillimanite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in________________?
- A. Pottery furnace B. Glass melting furnace C. Crucibles D. Gas retorts...
- The maximum linear expansion of silica bricks during firing is about ______________ percent?
- A. 0.5 B. 1 C. 2 D. 3.5...
Recent Comments