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. 80 90 70 55 80 90 70 55 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Orton cones Segar cones Ovens & retorts Pressure vessels Orton cones Segar cones Ovens & retorts Pressure vessels ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Firing temperature Shape Composition Texture Firing temperature Shape Composition Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Fracture due to uneven expansion at high temperature Resistancce to compressive loads Resistance to chemical action of gases and molten fluxes Softening Fracture due to uneven expansion at high temperature Resistancce to compressive loads Resistance to chemical action of gases and molten fluxes Softening ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Made by mixing 30% chromite and 70% periclase Neutral in nature Having higher RUL than silica bricks Acidic in nature Made by mixing 30% chromite and 70% periclase Neutral in nature Having higher RUL than silica bricks Acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to carbon monoxide attack Resistance to slag penetration Fusion point Spalling resistance Resistance to carbon monoxide attack Resistance to slag penetration Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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