Refractory Technology High alumina refractory compared to fireclay bricks have Less resistance to slag attack High resistance to thermal shock and creep Low refractoriness Less load bearing capacity Less resistance to slag attack High resistance to thermal shock and creep Low refractoriness Less load bearing capacity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Carborundum Thoria Zircon Beryllia Carborundum Thoria Zircon Beryllia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Natural silica All of these Mainly contains quartz Is not stable at high temperature Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes All of these Mainly contains quartz Is not stable at high temperature Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes ANSWER DOWNLOAD EXAMIANS APP
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