Refractory Technology Periclase refractory contains mainly CaO Al2O₃ MgO SiO₂ CaO Al2O₃ MgO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Non-wetting characteristics High thermal conductivity High density Low porosity Non-wetting characteristics High thermal conductivity High density Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Graphite blocks High alumina bricks Low duty firebricks Silica bricks Graphite blocks High alumina bricks Low duty firebricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Basic refractory Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory Fired at a temperature of 600°C only Acidic refractory Neutral refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite ANSWER DOWNLOAD EXAMIANS APP
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