Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 2000 1000 700 1600 2000 1000 700 1600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Less fusion point Neither A nor B Both A & B Better spalling resistance Less fusion point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High refractoriness All of these High resistance to spalling High strength and density High refractoriness All of these High resistance to spalling High strength and density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Glass melting furnace Pottery furnace Crucibles Gas retorts Glass melting furnace Pottery furnace Crucibles Gas retorts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. None of these Specific heat Thermal conductivity Density None of these Specific heat Thermal conductivity Density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Producing monolithic linings Minimising the number of joints in the structure All of these Patch work Producing monolithic linings Minimising the number of joints in the structure All of these Patch work ANSWER DOWNLOAD EXAMIANS APP