Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1630 1730 1520 1670 1630 1730 1520 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Natural silica 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 All of these Mainly contains quartz Is not stable at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Aluminium melting furnaces Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace Muffle furnace All of these Ceramic recuperators Zinc smelting furnace Muffle furnace All of these Ceramic recuperators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Sillimanite Aluminous firebrick Magnesite Firebrick Sillimanite Aluminous firebrick Magnesite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Lead blast furnace Beehive oven Zinc roaster Coke oven walls Lead blast furnace Beehive oven Zinc roaster Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
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