Refractory Technology An ideal refractory should have high Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Carborundum Chromite Graphite Fireclay Carborundum Chromite Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Tridymite Quartz All of these Cristobalite Tridymite Quartz All of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Neither A nor B Both A & B Silica bricks Fireclay bricks Neither A nor B Both A & B Silica bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1710 1915 1380 1520 1710 1915 1380 1520 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Highly chemical resistant equipments Combustion chamber of blast furnace stoves Blast furnace hearth Electric furnaces Highly chemical resistant equipments Combustion chamber of blast furnace stoves Blast furnace hearth Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
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