Refractory Technology Which is the stable form of silica below 870°C ? Cristobalite Tridymite Quartz None of these Cristobalite Tridymite Quartz None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less load bearing capacity Low refractoriness High resistance to thermal shock and creep Less resistance to slag attack Less load bearing capacity Low refractoriness High resistance to thermal shock and creep Less resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the All of these Aluminium melting furnaces Inner lining of L.D. converter Wear out lining of steel melting furnaces All of these Aluminium melting furnaces Inner lining of L.D. converter Wear out lining of steel melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Contains both alumina and silica Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica Is a non-plastic material All of these Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1550 1300 1450 1150 1550 1300 1450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Both (b) and © Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature ANSWER DOWNLOAD EXAMIANS APP
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