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. 1800 2400 2200 2700 1800 2400 2200 2700 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Flues All of these Furnaces allowed to cool frequently Chimney linings Flues All of these Furnaces allowed to cool frequently Chimney linings 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 Non-wetting characteristic None of these High crushing strength High thermal conductivity Non-wetting characteristic None of these High crushing strength High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgAl2O₄ MgAl2O₃.2H₂O MgSO₄ MgAl2O₃ MgAl2O₄ MgAl2O₃.2H₂O MgSO₄ MgAl2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Coke oven regenerators Beehive coke oven By-product coke oven walls Combustion chamber of B.F. stoves Coke oven regenerators Beehive coke oven By-product coke oven walls Combustion chamber of B.F. stoves ANSWER DOWNLOAD EXAMIANS APP