Refractory Technology The largest consumer of refractories is the __________ industry. Metallurgical Fertiliser Cement Power Metallurgical Fertiliser Cement Power ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Silica Semi-silica Fireclay Bakelite impregnated or fused periclase Silica Semi-silica Fireclay Bakelite impregnated or fused periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 45 60 95 80 45 60 95 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories Do not resist temperature fluctuations Have extremely low thermal & electrical conductivities Do not burn/oxidise, when exposed to air on heating Are not attacked by slags, as they are not wetted by melts Do not resist temperature fluctuations Have extremely low thermal & electrical conductivities Do not burn/oxidise, when exposed to air on heating Are not attacked by slags, as they are not wetted by melts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Black Light buff to reddish buff None of these Yellow Black Light buff to reddish buff None of these Yellow ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Less fusion point Neither A nor B Both A & B Better spalling resistance Less fusion point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS