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 80 70 55 90 80 70 55 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the All of these Ceramic recuperators Muffle furnace Zinc smelting furnace All of these Ceramic recuperators Muffle furnace Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Silica Fireclay Carbon black High alumina refractory Silica Fireclay Carbon black High alumina refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Both A & B Neither A nor B Spalling resistance reduces Resistance to slag attack increases Both A & B Neither A nor B Spalling resistance reduces Resistance to slag attack increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Has poor electrical conductivity at high temperature Can not be used as an insulator Does not react with basic slags Is produced from baddeleyite Has poor electrical conductivity at high temperature Can not be used as an insulator Does not react with basic slags Is produced from baddeleyite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 30 50 70 90 30 50 70 ANSWER DOWNLOAD EXAMIANS APP
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