Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Remains constant Increases May increase or decrease ; depends on its alumina content Decreases Remains constant Increases May increase or decrease ; depends on its alumina content Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Vermiculite Diatomaceous earth/kieselgur Asbestos None of these Vermiculite Diatomaceous earth/kieselgur Asbestos None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Dolomite Silicon carbide Magnesite Chrome magnesite Dolomite Silicon carbide Magnesite Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly CaO MgO Al2O₃ SiO₂ CaO MgO Al2O₃ SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Semi-silica Aluminous firebrick Firebrick Sillimanite Semi-silica Aluminous firebrick Firebrick Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Fireclay Tar dolomite Silica Carbon Fireclay Tar dolomite Silica ANSWER DOWNLOAD EXAMIANS APP
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