Refractory Technology __________ nozzles are used in continuous casting of steel, Zircon Thoria Carborundum Beryllia Zircon Thoria Carborundum Beryllia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Ceramic recuperators Zinc smelting furnace All of these Muffle furnace Ceramic recuperators Zinc smelting furnace All of these Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Carborundum High alumina Silica Superduty fireclay Carborundum High alumina Silica Superduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Fireclay High alumina refractory Carbon black Silica Fireclay High alumina refractory Carbon black Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories Shrink during firing Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc All of these Shrink during firing Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Corundum Magnesite Fireclay Silica Corundum Magnesite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
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