Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories All of these Impart greater spalling resistance Reduce its shrinkage on heating Enhance the strength of fired refractories All of these Impart greater spalling resistance Reduce its shrinkage on heating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 100 10 500 1000 100 10 500 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Both A & B Neither A nor B Fireclay bricks Silica bricks Both A & B Neither A nor B Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Blast furnace hearth Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces Blast furnace hearth Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly MgO Al2O₃ CaO SiO₂ MgO Al2O₃ CaO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite Cristobalite ANSWER DOWNLOAD EXAMIANS APP
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