Refractory Technology Carbon bricks are not used in the lining of the Highly chemical resistant equipments Combustion chamber of blast furnace stoves Blast furnace hearth Electric furnaces Highly chemical resistant equipments Combustion chamber of blast furnace stoves Blast furnace hearth Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a Low spalling resistance High spalling resistance Low porosity High resistance to fusion Low spalling resistance High spalling resistance Low porosity High resistance to fusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Better spalling resistance Both A & B Less fusion point Neither A nor B Better spalling resistance Both A & B Less fusion point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Thermal conductivity Refractoriness Wetting characteristics Both B and C Thermal conductivity Refractoriness Wetting characteristics Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks At the hearth bottom of the furnace on which stock is placed None of these Used for furnace insulation Used in the roof of the furnace At the hearth bottom of the furnace on which stock is placed None of these Used for furnace insulation Used in the roof of the furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ ANSWER DOWNLOAD EXAMIANS APP