Refractory Technology An ideal refractory should have high Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these Spalling rate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Zirconia None of these Silicon carbide Magnesia Zirconia None of these Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Quartz is Transformed to crystoballite on heating above 1470°C All of these Converted to tridymite on firing between 870 to 1470°C Stable form of silica upto 870°C Transformed to crystoballite on heating above 1470°C All of these Converted to tridymite on firing between 870 to 1470°C Stable form of silica upto 870°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Specific heat Density None of these Thermal conductivity Specific heat Density None of these Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Producing monolithic linings All of these Patch work Minimising the number of joints in the structure Producing monolithic linings All of these Patch work Minimising the number of joints in the structure ANSWER DOWNLOAD EXAMIANS APP