Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Neutral atmosphere Oxidising atmosphere Electric furnace Reducing atmosphere Neutral atmosphere Oxidising atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Magnesite Fireclay Silica Zirconia Magnesite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Glass melting furnace Crucibles Gas retorts Pottery furnace Glass melting furnace Crucibles Gas retorts Pottery furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the most stable crystalline form of silica at room temperature? Cristobalite Quartz Tridymite None of these Cristobalite Quartz Tridymite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 24 58 8 44 24 58 8 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia None of these Zirconia Silicon carbide Magnesia None of these Zirconia Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
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