Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Fusion point Spalling resistance Resistance to carbon monoxide attack Resistance to slag penetration Fusion point Spalling resistance Resistance to carbon monoxide attack Resistance to slag penetration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing of refractory brick is done to Develop stable mineral forms in them Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Develop stable mineral forms in them Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the None of these Sun Rotary kilns Tunnel kilns None of these Sun Rotary kilns Tunnel kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories 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 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. High density High thermal conductivity Non-wetting characteristics Low porosity High density High thermal conductivity Non-wetting characteristics Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Cristobalite Quartz None of these Tridymite Cristobalite Quartz None of these Tridymite ANSWER DOWNLOAD EXAMIANS APP
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