Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Volume Neither A nor B Specific gravity Both A & B Volume Neither A nor B Specific gravity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Neither A nor B Silica bricks Fireclay bricks Both A & B Neither A nor B Silica bricks Fireclay bricks Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Silica Magnesite Carborundum Fireclay Silica Magnesite Carborundum Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories May increase or decrease ; depends on its alumina content Decreases Increases Remains constant May increase or decrease ; depends on its alumina content Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 80 70 90 55 80 70 90 55 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 500-1000 50-100 100-150 200-400 500-1000 50-100 100-150 200-400 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS