Search
.Management Sciences
A. Softening temperature
B. Spalling resistance
C. Electrical conductivity
D. Resistance to slag attack
Related Mcqs:
- Carbon refractories have very high __________________?
- A. Wetting characteristics B. Refractoriness C. Thermal conductivity D. Both B. and C....
- 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...
- With decrease in porosity, the ______________ of the refractories decreases?
- A. Strength B. Thermal conductivity C. Spalling resistance D. None of these...
Recent Comments