Refractory Technology Which of the following is not an acidic refractory? Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have All of these Better thermal spalling resistance Poor heat conductivity & low strength Poor resistance to the peneration of molten slag, metal & flue gases All of these Better thermal spalling resistance Poor heat conductivity & low strength Poor resistance to the peneration of molten slag, metal & flue gases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Repairing construction of various furnace parts Neither A nor B Both A & B Obtaining monolithic working faces Repairing construction of various furnace parts Neither A nor B Both A & B Obtaining monolithic working faces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the 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 Inner lining of L.D. converter Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high None of these Spalling rate Fusion point Shrinkage ability None of these Spalling rate Fusion point Shrinkage ability ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1670 1520 1730 1630 1670 1520 1730 1630 ANSWER DOWNLOAD EXAMIANS APP