Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Pottery furnace Gas retorts Crucibles Glass melting furnace Pottery furnace Gas retorts Crucibles Glass melting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Highly chemical resistant equipments Combustion chamber of blast furnace stoves Electric furnaces Blast furnace hearth Highly chemical resistant equipments Combustion chamber of blast furnace stoves Electric furnaces Blast furnace hearth ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks Graphite blocks High alumina bricks Silica bricks Low duty firebricks Graphite blocks High alumina bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its Very high thermal conductivity High co-efficient of expansion upto this temperature High thermal diffusivity Low refractoriness Very high thermal conductivity High co-efficient of expansion upto this temperature High thermal diffusivity Low refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Oxides Carbides Nitrides Borides Oxides Carbides Nitrides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1550 1300 1450 1150 1550 1300 1450 ANSWER DOWNLOAD EXAMIANS APP
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