Refractory Technology Which is not a high alumina refractory? Corrundum Mullite Dolomite Bauxite Corrundum Mullite Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks Are stored under controlled temperature & humidity to avoid hydration All of these Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks Are stored under controlled temperature & humidity to avoid hydration All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Fireclay Silica Chrome magnesite None of these Fireclay Silica Chrome magnesite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Both (b) and © Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Both (b) and © ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks Graphite blocks Silica bricks High alumina bricks Low duty firebricks Graphite blocks Silica bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Lowers Either A or B; depends on its quantity Increases Does not affect Lowers Either A or B; depends on its quantity Increases Does not affect ANSWER DOWNLOAD EXAMIANS APP
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