Refractory Technology Which form of silica has the highest specific gravity? Cristobalite Quartz Tridymite All of these Cristobalite Quartz Tridymite All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Crucibles Pottery furnace Glass melting furnace Gas retorts Crucibles Pottery furnace Glass melting furnace Gas retorts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Regenerators of coke oven Walls of coke oven Hearth of blast furnace Side wall of soaking pits Regenerators of coke oven Walls of coke oven Hearth of blast furnace Side wall of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 90 55 80 70 90 55 80 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the By-product coke oven walls Beehive coke oven Coke oven regenerators Combustion chamber of B.F. stoves By-product coke oven walls Beehive coke oven Coke oven regenerators Combustion chamber of B.F. stoves ANSWER DOWNLOAD EXAMIANS APP
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