Refractory Technology High density refractory bricks have lower Thermal conductivity Fusion point Spalling resistance Slag penetration resistance Thermal conductivity Fusion point Spalling resistance Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Neither A nor B Both A & B Resistance to slag attack increases Spalling resistance reduces Neither A nor B Both A & B Resistance to slag attack increases Spalling resistance reduces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 1 3.5 2 0.5 1 3.5 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Fireclay Chrome magnesite Magnesite Dolomite Fireclay Chrome magnesite Magnesite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Zircon Fireclay Graphite Alumina Zircon Fireclay Graphite Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace Muffle furnace Ceramic recuperators All of these Zinc smelting furnace Muffle furnace Ceramic recuperators All of these ANSWER DOWNLOAD EXAMIANS APP
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