Refractory Technology Fireclay refractories Shrink during firing All of these Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing All of these Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High strength and density High resistance to spalling All of these High refractoriness High strength and density High resistance to spalling All of these High refractoriness 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 Which of the following bricks has the most close values of RUL and PCE? Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
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 furnace consumes maximum refractory annually in an integrated steel plant? L.D. converter Blastfurnace Coke ovens Soaking pit L.D. converter Blastfurnace Coke ovens Soaking pit ANSWER DOWNLOAD EXAMIANS APP
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