Refractory Technology With increase in the density of silica refractories, its Resistance to slag attack increases 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 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Plaster of paris Water Aluminium phosphate Lime Plaster of paris Water Aluminium phosphate Lime ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 25-35 35-50 44129 43961 25-35 35-50 44129 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Greater strength Low heat capacity High insulating properties Low thermal conductivity Greater strength Low heat capacity High insulating properties Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Silica bricks Neither A nor B Both A & B Fireclay bricks Silica bricks Neither A nor B Both A & B Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Bakelite impregnated or fused periclase Silica Fireclay Semi-silica Bakelite impregnated or fused periclase Silica Fireclay Semi-silica ANSWER DOWNLOAD EXAMIANS APP
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