Refractory Technology Grog Contains both alumina and silica All of these Is a non-plastic material Iscrushed firebrick Contains both alumina and silica All of these Is a non-plastic material Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories Reduce its shrinkage on heating All of these Impart greater spalling resistance Enhance the strength of fired refractories Reduce its shrinkage on heating All of these Impart greater spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 500-1000 100-150 200-400 50-100 500-1000 100-150 200-400 50-100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 35-50 43961 25-35 44129 35-50 43961 25-35 44129 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Thermal conductivity Specific gravity Porosity Strength Thermal conductivity Specific gravity Porosity Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
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