Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgAl2O₄ MgSO₄ MgAl2O₃.2H₂O MgAl2O₃ MgAl2O₄ MgSO₄ MgAl2O₃.2H₂O MgAl2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Low porosity High density Non-wetting characteristics High thermal conductivity Low porosity High density Non-wetting characteristics High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 80 45 95 60 80 45 95 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Rod Tube Ball Pug Rod Tube ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Side wall of soaking pits Regenerators of coke oven Walls of coke oven Hearth of blast furnace Side wall of soaking pits Regenerators of coke oven Walls of coke oven Hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Crystalline magnesia Zirconium sulphate Silicon nitride Silicon carbide Crystalline magnesia Zirconium sulphate Silicon nitride Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
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