Refractory Technology Firing of refractory brick is done to Form ceramic bonds necessary for development of high crushing strength in the finished product Develop stable mineral forms in them All of these Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product Develop stable mineral forms in them All of these Dehydrate the dried refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Dome and upper portion of B.F. stoves Open hearth furnace roof Coke oven walls Beehive coke ovens Dome and upper portion of B.F. stoves Open hearth furnace roof Coke oven walls Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Low heat capacity Greater strength High insulating properties Low thermal conductivity Low heat capacity Greater strength High insulating properties Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Neither A nor B Spalling resistance reduces Both A & B Resistance to slag attack increases Neither A nor B Spalling resistance reduces Both A & B Resistance to slag attack increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Neutral in nature Having higher RUL than silica bricks Made by mixing 30% chromite and 70% periclase Acidic in nature Neutral in nature Having higher RUL than silica bricks Made by mixing 30% chromite and 70% periclase Acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace ANSWER DOWNLOAD EXAMIANS APP
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