Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Fusion point Resistance to slag penetration Spalling resistance Resistance to carbon monoxide attack Fusion point Resistance to slag penetration Spalling resistance Resistance to carbon monoxide attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology silicon carbide refractories have very low Refractoriness (< 1700°C) Thermal conductivity None of these Resistance to thermal shock Refractoriness (< 1700°C) Thermal conductivity None of these Resistance to thermal shock ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Very high temperatures are involved Presence of iron or silica is harmful Highly reducing conditions are involved All of these Very high temperatures are involved Presence of iron or silica is harmful Highly reducing conditions are involved All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Chromite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks Chromite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Fireclay bricks Mullite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Mullite bricks Magnesite bricks Tar bonded dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Neither A nor B Volume Specific gravity Both A & B Neither A nor B Volume Specific gravity Both A & B ANSWER DOWNLOAD EXAMIANS APP
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