Refractory Technology Fusion point of an acidic refractory material is Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness under load (RUL) Refractoriness Spalling resistance None of these Refractoriness under load (RUL) Refractoriness Spalling resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity Porosity Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Pottery furnace Glass melting furnace Gas retorts Crucibles Pottery furnace Glass melting furnace Gas retorts Crucibles ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Firebrick Aluminous firebrick Semi-silica Sillimanite Firebrick Aluminous firebrick Semi-silica Sillimanite ANSWER DOWNLOAD EXAMIANS APP
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