Refractory Technology Which of the following is not an acidic refractory? Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Insulation Coke ovens Muffle furnaces Regenerators Insulation Coke ovens Muffle furnaces Regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories Are not resistant to the action of basic slags All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing Are not resistant to the action of basic slags All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Combustion chamber of B.F. stoves By-product coke oven walls Coke oven regenerators Beehive coke oven Combustion chamber of B.F. stoves By-product coke oven walls Coke oven regenerators Beehive coke oven 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 High crushing strength None of these High thermal conductivity Non-wetting characteristic High crushing strength None of these High thermal conductivity Non-wetting characteristic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2800 1715 1350 2570 2800 1715 1350 2570 ANSWER DOWNLOAD EXAMIANS APP
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