Refractory Technology Chrome magnesite is not used in the Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Stability of volume at high temperature Resistance to corrosion by slag Resistance to slag peneration Resistance to abrasion Stability of volume at high temperature Resistance to corrosion by slag Resistance to slag peneration Resistance to abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Silicon carbide Zirconia Alumina Graphite Silicon carbide Zirconia Alumina Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor heat conductivity & low strength All of these Better thermal spalling resistance Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength All of these Better thermal spalling resistance Poor resistance to the peneration of molten slag, metal & flue gases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Transformers Television sets Thermal insulation Magnetic switches Transformers Television sets Thermal insulation Magnetic switches ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace Ceramic recuperators Muffle furnace All of these Zinc smelting furnace Ceramic recuperators Muffle furnace All of these ANSWER DOWNLOAD EXAMIANS APP