Refractory Technology Chemically, mullite refractories is ZrSO₄ ThO₂ 3Al2O₃.2SiO₂ Al2O₃ ZrSO₄ ThO₂ 3Al2O₃.2SiO₂ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly Al2O₃ SiO₂ MgO CaO Al2O₃ SiO₂ MgO CaO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Slag attack Thermal spalling Fusion under load CO attack Slag attack Thermal spalling Fusion under load CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >1350 500 >2000 1000 >1350 500 >2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Silicon carbide Graphite Chromite Magnesite Silicon carbide Graphite Chromite Magnesite ANSWER DOWNLOAD EXAMIANS APP