Refractory Technology Fusion point of an acidic refractory material is Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 2400-2600 800-1000 1600-1800 1000-1200 2400-2600 800-1000 1600-1800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? High alumina refractory Carbon black Fireclay Silica High alumina refractory Carbon black Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Neither A nor B Fireclay bricks Both A & B Silica bricks Neither A nor B Fireclay bricks Both A & B Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Corundum Carborundum Thoria Beryllia Corundum Carborundum Thoria Beryllia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Carborundum Bauxite Corrundum Periclase Carborundum Bauxite Corrundum Periclase ANSWER DOWNLOAD EXAMIANS APP
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