Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Remains same Increases May increase or decrease Decreases Remains same Increases May increase or decrease Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by 2Al2O₃ . 3SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 2Al2O₃ . 3SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silica bricks Silicon carbide bricks Firebricks Sillimanite Silica bricks Silicon carbide bricks Firebricks Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Increases Decreases May increase or decrease ; depends on its alumina content Remains constant Increases Decreases May increase or decrease ; depends on its alumina content Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >1350 500 1000 >2000 >1350 500 1000 >2000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia None of these Silicon carbide Zirconia Magnesia None of these Silicon carbide Zirconia ANSWER DOWNLOAD EXAMIANS APP
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