Refractory Technology silicon carbide refractories have very low None of these Thermal conductivity Refractoriness (< 1700°C) Resistance to thermal shock None of these Thermal conductivity Refractoriness (< 1700°C) Resistance to thermal shock ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Thermal conductivity Both B and C Wetting characteristics Refractoriness Thermal conductivity Both B and C Wetting characteristics Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 44 24 58 8 44 24 58 8 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Specific gravity Fusion point None of these RUL Specific gravity Fusion point None of these RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less resistance to slag attack High resistance to thermal shock and creep Low refractoriness Less load bearing capacity Less resistance to slag attack High resistance to thermal shock and creep Low refractoriness Less load bearing capacity ANSWER DOWNLOAD EXAMIANS APP
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