Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Neither A nor B Less fusion point Both A & B Better spalling resistance Neither A nor B Less fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Fusion point Spalling rate None of these Shrinkage ability Fusion point Spalling rate None of these Shrinkage ability ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Mullite bricks High alumina bricks Fireclay bricks Tar dolomite bricks Mullite bricks High alumina bricks Fireclay bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Graphite blocks Low duty firebricks High alumina bricks Silica bricks Graphite blocks Low duty firebricks High alumina bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Low porosity Neither A nor B Both A & B High thermal conductivity Low porosity Neither A nor B Both A & B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Corundum Fireclay Magnesite Silica Corundum Fireclay Magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
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