Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to corrosion by slag Stability of volume at high temperature Resistance to slag peneration Resistance to abrasion Resistance to corrosion by slag Stability of volume at high temperature Resistance to slag peneration Resistance to abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 30 90 70 50 30 90 70 50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1730 1520 1630 1670 1730 1520 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Carborundum Graphite Chromite Fireclay Carborundum Graphite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Composition Firing temperature Texture Shape Composition Firing temperature Texture Shape ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high None of these Shrinkage ability Fusion point Spalling rate None of these Shrinkage ability Fusion point Spalling rate ANSWER DOWNLOAD EXAMIANS APP
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