Refractory Technology Carbon refractory blocks Are acidic in nature Are wetted by molten iron All of these Are used in the hearth of blast furnace Are acidic in nature Are wetted by molten iron All of these Are used in the hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Blast furnace hearth Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces Blast furnace hearth Combustion chamber of blast furnace stoves Highly chemical resistant equipments Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Blastfurnace Coke ovens Soaking pit L.D. converter Blastfurnace Coke ovens Soaking pit L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology What is Thoria? Thoria Has high resistance to basic slags Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock Thoria Has high resistance to basic slags Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Very high temperatures are involved Presence of iron or silica is harmful Highly reducing conditions are involved All of these Very high temperatures are involved Presence of iron or silica is harmful Highly reducing conditions are involved All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Low heat capacity Low thermal conductivity High insulating properties Greater strength Low heat capacity Low thermal conductivity High insulating properties Greater strength ANSWER DOWNLOAD EXAMIANS APP
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