Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Oxidising condition in the furnace None of these Decreased viscosity of slag Increased thermal conductivity of brick Oxidising condition in the furnace None of these Decreased viscosity of slag Increased thermal conductivity of brick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Fireclay Dolomite Very low alumina Silica Fireclay Dolomite Very low alumina Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Graphite blocks Silica bricks Low duty firebricks High alumina bricks Graphite blocks Silica bricks Low duty firebricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Better thermal spalling resistance All of these Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength Better thermal spalling resistance All of these Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the All of these Dome of blast furnace stoves Glass melting furnaces Electric arc furnace roof All of these Dome of blast furnace stoves Glass melting furnaces Electric arc furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness ANSWER DOWNLOAD EXAMIANS APP
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