Refractory Technology Chrome magnesite is not used in the Inner lining of L.D. converter Wear out lining of steel melting furnaces Aluminium melting furnaces All of these Inner lining of L.D. converter Wear out lining of steel melting furnaces Aluminium melting furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Graphite Zircon Fireclay Alumina Graphite Zircon Fireclay 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 High alumina refractory compared to fireclay bricks have Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Reduced by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Not affected by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Not affected by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Powdered naphthalene Ammonium chloride/sulphate Calcium phosphate All of these Powdered naphthalene Ammonium chloride/sulphate Calcium phosphate All of these ANSWER DOWNLOAD EXAMIANS APP