Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories May increase or decrease Remains same Decreases Increases May increase or decrease Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silicon carbide bricks Silica bricks Firebricks Sillimanite Silicon carbide bricks Silica bricks Firebricks Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Fireclay bricks High alumina bricks Mullite bricks Tar dolomite bricks Fireclay bricks High alumina bricks Mullite bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Highly reducing conditions are involved All of these Very high temperatures are involved Presence of iron or silica is harmful Highly reducing conditions are involved All of these Very high temperatures are involved Presence of iron or silica is harmful ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks ANSWER DOWNLOAD EXAMIANS APP
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