Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Semi-silica Silica Bakelite impregnated or fused periclase Fireclay Semi-silica Silica Bakelite impregnated or fused periclase Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Contains both alumina and silica Iscrushed firebrick Is a non-plastic material All of these Contains both alumina and silica Iscrushed firebrick Is a non-plastic material All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Kyanite Periclase Sillimanite Diaspore Kyanite Periclase Sillimanite Diaspore ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Regenerators of coke oven Walls of coke oven Side wall of soaking pits Hearth of blast furnace Regenerators of coke oven Walls of coke oven Side wall of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Insulating refractories should have High porosity Neither A nor B Both A & B Low thermal conductivity High porosity Neither A nor B Both A & B Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Alumina Thoria Zirconia Beryllia Alumina Thoria Zirconia Beryllia ANSWER DOWNLOAD EXAMIANS APP
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