Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Used for raising & maintaining high temperature Both (b) and © Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Used for raising & maintaining high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Fireclay bricks Tar bonded dolomite bricks Magnesite bricks Chromite bricks Fireclay bricks Tar bonded dolomite bricks Magnesite bricks Chromite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Neither A nor B Both A & B Spalling resistance reduces Resistance to slag attack increases Neither A nor B Both A & B Spalling resistance reduces Resistance to slag attack increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Semi-silica Aluminous firebrick Sillimanite Firebrick Semi-silica Aluminous firebrick Sillimanite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Crushing strength Neither A nor B Resistance to slag attack Neither A nor B Crushing strength Neither A nor B Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Fireclay Foresterite Magnesite Chromite Fireclay Foresterite Magnesite Chromite ANSWER DOWNLOAD EXAMIANS APP
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