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. 90 80 70 55 90 80 70 55 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are stored under controlled temperature & humidity to avoid hydration All of these Have poorer hydration resistance than pitch bonded bricks Are used in outer lining of L.D. converters Are stored under controlled temperature & humidity to avoid hydration All of these Have poorer hydration resistance than pitch bonded bricks Are used in outer lining of L.D. converters ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Zinc roaster Beehive oven Lead blast furnace Coke oven walls Zinc roaster Beehive oven Lead blast furnace Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Composition All of these Firing temperature Texture Composition All of these Firing temperature Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 60 80 45 95 60 80 45 95 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about >94 55-60 35-40 80-85 >94 55-60 35-40 80-85 ANSWER DOWNLOAD EXAMIANS APP
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