Refractory Technology Chrome magnesite bricks are Having higher RUL than silica bricks Neutral in nature Made by mixing 30% chromite and 70% periclase Acidic in nature Having higher RUL than silica bricks Neutral in nature Made by mixing 30% chromite and 70% periclase Acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Both A & B Spalling resistance reduces Neither A nor B Resistance to slag attack increases Both A & B Spalling resistance reduces Neither A nor B Resistance to slag attack increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic Lime None of these Acid Basic Lime None of these Acid ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Electric furnaces Basic Bessemer converter All of these Basic open hearth furnace Electric furnaces Basic Bessemer converter All of these Basic open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Is unaffected with change in service temperature Decreases with increase in porosity Increases with rise in service temperature Decreases with rise in service temperature Is unaffected with change in service temperature Decreases with increase in porosity Increases with rise in service temperature Decreases with rise in service temperature ANSWER DOWNLOAD EXAMIANS APP
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