Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Required to resist corrosive basic slag Subjected to temperature fluctuation None of these Subjected to high load Required to resist corrosive basic slag Subjected to temperature fluctuation None of these Subjected to high load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks Graphite blocks High alumina bricks Silica bricks Low duty firebricks Graphite blocks High alumina bricks Silica bricks 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 Is not stable at high temperature Mainly contains quartz Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes All of these Is not stable at high temperature Mainly contains quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Silica Magnesite Zirconia Fireclay Silica Magnesite Zirconia Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Spalling resistance reduces Both A & B Neither A nor B Resistance to slag attack increases Spalling resistance reduces Both A & B Neither A nor B Resistance to slag attack increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS