Refractory Technology Basic bricks are not made of Foresterite Fireclay Chromite Magnesite Foresterite Fireclay Chromite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spray test determines the __________ of refractories. Resistance to slag penetration RUL Permanent linear change Resistance to CO attack Resistance to slag penetration RUL Permanent linear change Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by Al2O₃ . SiO₂ Al2O₃ . 2SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ Al2O₃ . 2SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Bauxite bricks Magnesia bricks Fireclay bricks Silica bricks Bauxite bricks Magnesia bricks Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 95 60 80 45 95 60 80 45 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Thermal conductivity Density Specific heat None of these Thermal conductivity Density Specific heat None of these ANSWER DOWNLOAD EXAMIANS APP