Refractory Technology Which one expands on heating? Silica bricks Both A & B Neither A nor B Fireclay bricks Silica bricks Both A & B Neither A nor B Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. 1000 >1350 >2000 500 1000 >1350 >2000 500 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 60 to 75 20 to 30 45 to 60 5 to 10 60 to 75 20 to 30 45 to 60 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Fireclay Semi-silica Bakelite impregnated or fused periclase Silica Fireclay Semi-silica Bakelite impregnated or fused periclase Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Sun Rotary kilns None of these Tunnel kilns Sun Rotary kilns None of these Tunnel kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Aluminium melting furnaces All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter ANSWER DOWNLOAD EXAMIANS APP
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