Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgAl2O₃.2H₂O MgAl2O₄ MgSO₄ MgAl2O₃ MgAl2O₃.2H₂O MgAl2O₄ MgSO₄ MgAl2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 10 500 1000 100 10 500 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except Fusion point Electrical conductivity Cost Thermal conductivity Fusion point Electrical conductivity Cost Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Thermal insulation Transformers Television sets Magnetic switches Thermal insulation Transformers Television sets Magnetic switches ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Chromite Graphite Carborundum Fireclay Chromite Graphite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Inner lining of L.D. converter Aluminium melting furnaces Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces Wear out lining of steel melting furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS