Refractory Technology High porosity refractory bricks have Better thermal spalling resistance Poor heat conductivity & low strength All of these Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance Poor heat conductivity & low strength All of these Poor resistance to the peneration of molten slag, metal & flue gases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is None of these Light buff to reddish buff Black Yellow None of these Light buff to reddish buff Black Yellow ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Steel melting furnace Burning zone of cement kilns Open hearth furnace Electric furnace walls Steel melting furnace Burning zone of cement kilns Open hearth furnace Electric furnace walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia None of these Zirconia Silicon carbide Magnesia None of these Zirconia Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Corrundum Periclase Bauxite Carborundum Corrundum Periclase Bauxite Carborundum ANSWER DOWNLOAD EXAMIANS APP
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