Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 2400-2600 800-1000 1600-1800 1000-1200 2400-2600 800-1000 1600-1800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by Al2O₃ . 2SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ Al2O₃ . 2SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Zirconia Silicon carbide Graphite Alumina Zirconia Silicon carbide Graphite Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1710 1915 1520 1380 1710 1915 1520 1380 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Alumina Beryllia Thoria Zirconia Alumina Beryllia Thoria Zirconia ANSWER DOWNLOAD EXAMIANS APP
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