Refractory Technology High alumina refractory compared to fireclay bricks have High resistance to thermal shock and creep Less load bearing capacity Less resistance to slag attack Low refractoriness High resistance to thermal shock and creep Less load bearing capacity Less resistance to slag attack Low refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Furnaces allowed to cool frequently All of these Flues Chimney linings Furnaces allowed to cool frequently All of these Flues Chimney linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Thermal conductivity Spalling resistance Strength None of these Thermal conductivity Spalling resistance Strength None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 35-50 44129 43961 25-35 35-50 44129 43961 25-35 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic Acid Lime None of these Basic Acid Lime None of these ANSWER DOWNLOAD EXAMIANS APP
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