Refractory Technology Grog All of these Contains both alumina and silica Iscrushed firebrick Is a non-plastic material All of these Contains both alumina and silica Iscrushed firebrick Is a non-plastic material ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Crystalline magnesia Silicon nitride Silicon carbide Zirconium sulphate Crystalline magnesia Silicon nitride Silicon carbide Zirconium sulphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Soaking pit L.D. converter Blastfurnace Coke ovens Soaking pit L.D. converter Blastfurnace Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Neither A nor B Silica bricks Fireclay bricks Both A & B Neither A nor B Silica bricks Fireclay bricks Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories Are not attacked by slags, as they are not wetted by melts Do not burn/oxidise, when exposed to air on heating Do not resist temperature fluctuations Have extremely low thermal & electrical conductivities Are not attacked by slags, as they are not wetted by melts Do not burn/oxidise, when exposed to air on heating Do not resist temperature fluctuations Have extremely low thermal & electrical conductivities ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1520 1670 1730 1630 1520 1670 1730 1630 ANSWER DOWNLOAD EXAMIANS APP
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