Refractory Technology Zircon refractories have High RUL (1600°C) and refractoriness (> 2000°C) All of these High spalling resistance Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) All of these High spalling resistance Low co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Corundum Fireclay Carbon 85% alumina Corundum Fireclay Carbon 85% alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 65 150 450 250 65 150 450 250 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Dolomite Bauxite Mullite Corrundum Dolomite Bauxite Mullite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Silica bricks Graphite blocks Low duty firebricks High alumina bricks Silica bricks Graphite blocks Low duty firebricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
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