Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Highly reducing conditions are involved Presence of iron or silica is harmful All of these Very high temperatures are involved Highly reducing conditions are involved Presence of iron or silica is harmful All of these Very high temperatures are involved ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Zircon Beryllia Carborundum Thoria Zircon Beryllia Carborundum Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 35-50 43961 25-35 44129 35-50 43961 25-35 44129 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Carborundum Graphite Chromite Fireclay Carborundum Graphite Chromite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Fireclay Silica Zirconia Chrome magnesite Fireclay Silica Zirconia Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High spalling resistance High resistance to fusion Low porosity Low spalling resistance High spalling resistance High resistance to fusion Low porosity Low spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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