Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Fireclay Chrome magnesite Silica Zirconia Fireclay Chrome magnesite Silica Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Strength Thermal conductivity Spalling resistance None of these Strength Thermal conductivity Spalling resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Neither A nor B Volume Both A & B Specific gravity Neither A nor B Volume Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep Low refractoriness Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep Low refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Thoria Zirconia Beryllia Alumina Thoria Zirconia Beryllia Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Pottery furnace Crucibles Glass melting furnace Gas retorts Pottery furnace Crucibles Glass melting furnace Gas retorts ANSWER DOWNLOAD EXAMIANS APP
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