Refractory Technology Spalling of a refractory means its Resistancce to compressive loads Softening Fracture due to uneven expansion at high temperature Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Softening Fracture due to uneven expansion at high temperature Resistance to chemical action of gases and molten fluxes ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Periclase Corrundum Carborundum Bauxite Periclase Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is Amorphous magnesite Crystalline form of MgO MgCO₃ ZrSO₄ Amorphous magnesite Crystalline form of MgO MgCO₃ ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Thermal conductivity Density None of these Specific heat Thermal conductivity Density None of these Specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with High alumina bricks Graphite blocks Silica bricks Low duty firebricks High alumina bricks Graphite blocks Silica bricks Low duty firebricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Fireclay Chrome magnesite Zirconia Silica Fireclay Chrome magnesite Zirconia Silica ANSWER DOWNLOAD EXAMIANS APP