Refractory Technology Chemically, mullite refractories is 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ZrSO₄ 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2200 2400 2700 1800 2200 2400 2700 1800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Graphite blocks Low duty firebricks Silica bricks High alumina bricks Graphite blocks Low duty firebricks Silica bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Asbestos None of these Vermiculite Diatomaceous earth/kieselgur Asbestos None of these Vermiculite Diatomaceous earth/kieselgur ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is None of these Light buff to reddish buff Yellow Black None of these Light buff to reddish buff Yellow Black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Neither A nor B Crushing strength Resistance to slag attack Neither A nor B Neither A nor B Crushing strength Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS