Refractory Technology Segar cones are used for the determination of __________ of refractories. Electrical conductivity Softening temperature Resistance to slag attack Spalling resistance Electrical conductivity Softening temperature Resistance to slag attack Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Aluminium melting furnaces Inner lining of L.D. converter All of these Wear out lining of steel melting furnaces Aluminium melting furnaces Inner lining of L.D. converter All of these Wear out lining of steel melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 35-40 >94 80-85 55-60 35-40 >94 80-85 55-60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Better spalling resistance Less fusion point Both A & B Neither A nor B Better spalling resistance Less fusion point Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Flues Furnaces allowed to cool frequently Chimney linings All of these Flues Furnaces allowed to cool frequently Chimney linings All of these 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 Fireclay Silica Semi-silica Bakelite impregnated or fused periclase Fireclay Silica Semi-silica ANSWER DOWNLOAD EXAMIANS APP
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