Refractory Technology 'Super refractories' are made from pure Borides Nitrides Carbides Oxides Borides Nitrides Carbides Oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Alumina Zirconia Graphite Silicon carbide Alumina Zirconia Graphite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Spalling resistance Slag penetration resistance Fusion point Thermal conductivity Spalling resistance Slag penetration resistance Fusion point Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Tridymite Quartz None of these Cristobalite Tridymite Quartz None of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Magnesite Silica Fireclay Dolomite Magnesite Silica Fireclay Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to All of these 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 ANSWER DOWNLOAD EXAMIANS APP
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