Refractory Technology Chemically, mullite refractories is Al2O₃ 3Al2O₃.2SiO₂ ThO₂ ZrSO₄ Al2O₃ 3Al2O₃.2SiO₂ ThO₂ ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow Black Light buff to reddish buff None of these Yellow Black Light buff to reddish buff None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Acidic in nature 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 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity RUL Thermal conductivity Specific gravity Porosity RUL Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Cristobalite None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Resistance to CO attack RUL Modulus of rupture Permanent linear change Resistance to CO attack RUL Modulus of rupture Permanent linear change ANSWER DOWNLOAD EXAMIANS APP