Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 2000 1000 700 1600 2000 1000 700 1600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have 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 Less resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Rate at which a fluid will pass through the pores Refractoriness Expansion during heating Melting point Rate at which a fluid will pass through the pores Refractoriness Expansion during heating Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 500 10 100 1000 500 10 100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
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