Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. > 2000 1630-1670 1520-1630 > 1730 > 2000 1630-1670 1520-1630 > 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Carbon black Silica Fireclay High alumina refractory Carbon black Silica Fireclay High alumina refractory ANSWER DOWNLOAD EXAMIANS APP
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 Which one contains minimum percentage of SiO₂? Aluminous firebrick Semi-silica Sillimanite Firebrick Aluminous firebrick Semi-silica Sillimanite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 2000 1600 1000 700 2000 1600 1000 700 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS