Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks High alumina bricks Graphite blocks Silica bricks Low duty firebricks High alumina bricks Graphite blocks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Silica bricks Bauxite bricks Fireclay bricks Magnesia bricks Silica bricks Bauxite bricks Fireclay bricks Magnesia bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less resistance to slag attack Less load bearing capacity Low refractoriness High resistance to thermal shock and creep Less resistance to slag attack Less load bearing capacity Low refractoriness High resistance to thermal shock and creep ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Shape Composition Firing temperature Texture Shape Composition Firing temperature Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 35-40 55-60 80-85 >94 35-40 55-60 80-85 >94 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 2-3 5-7 7-12 14-20 2-3 5-7 7-12 14-20 ANSWER DOWNLOAD EXAMIANS APP