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 Dehydrate the dried refractory All of these Form ceramic bonds necessary for development of high crushing strength in the finished product Develop stable mineral forms in them Dehydrate the dried refractory All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Thermal conductivity Porosity Strength Specific gravity Thermal conductivity Porosity Strength Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Having higher RUL than silica bricks Acidic in nature Made by mixing 30% chromite and 70% periclase Neutral in nature Having higher RUL than silica bricks Acidic in nature Made by mixing 30% chromite and 70% periclase Neutral in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 55-60 >94 80-85 35-40 55-60 >94 80-85 35-40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Silica Fireclay Chrome magnesite Zirconia Silica Fireclay Chrome magnesite Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Diaspore Periclase Kyanite Sillimanite Diaspore Periclase Kyanite Sillimanite ANSWER DOWNLOAD EXAMIANS APP