Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Spalling resistance Crushing strength Resistance to slag Refractoriness Spalling resistance Crushing strength Resistance to slag Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Neither A nor B Specific gravity Both A & B Volume Neither A nor B Specific gravity Both A & B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Mullite Bauxite Corrundum Dolomite Mullite Bauxite Corrundum Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces Blast furnace hearth Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces Blast furnace hearth ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Fireclay Silica Chrome magnesite None of these Fireclay Silica Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
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