Refractory Technology The main raw material for manufacture of silicon carbide refractories is Carborundum Periclase Bauxite Corrundum Carborundum Periclase Bauxite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Thermal conductivity Specific gravity RUL Porosity Thermal conductivity Specific gravity RUL Porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Silica Chrome magnesite Fireclay Zirconia Silica Chrome magnesite Fireclay Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Crucibles Glass melting furnace Gas retorts Pottery furnace Crucibles Glass melting furnace Gas retorts Pottery furnace ANSWER DOWNLOAD EXAMIANS APP
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