Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2200 2700 1800 2400 2200 2700 1800 2400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Chimney linings Furnaces allowed to cool frequently All of these Flues Chimney linings Furnaces allowed to cool frequently All of these Flues ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its None of these High thermal conductivity High crushing strength Non-wetting characteristic None of these High thermal conductivity High crushing strength Non-wetting characteristic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgAl2O₃ MgSO₄ MgAl2O₄ MgAl2O₃.2H₂O MgAl2O₃ MgSO₄ MgAl2O₄ MgAl2O₃.2H₂O ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Beehive coke oven Combustion chamber of B.F. stoves Coke oven regenerators By-product coke oven walls Beehive coke oven Combustion chamber of B.F. stoves Coke oven regenerators By-product coke oven walls ANSWER DOWNLOAD EXAMIANS APP