Refractory Technology Mullite is chemically represented by 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Chromite None of these Superduty fireclay Silica Chromite None of these Superduty fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Diatomaceous earth/kieselgur Vermiculite None of these Asbestos Diatomaceous earth/kieselgur Vermiculite None of these Asbestos ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Magnesite Silica Corundum Fireclay Magnesite Silica Corundum Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Oxides Carbides Nitrides Borides Oxides Carbides Nitrides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chemically, mullite refractories is Al2O₃ ThO₂ ZrSO₄ 3Al2O₃.2SiO₂ Al2O₃ ThO₂ ZrSO₄ 3Al2O₃.2SiO₂ ANSWER DOWNLOAD EXAMIANS APP
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