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