Refractory Technology Which is a basic refractory? Silica Chrome magnesite None of these Fireclay Silica Chrome magnesite None of these Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Producing monolithic linings Patch work Minimising the number of joints in the structure All of these Producing monolithic linings Patch work Minimising the number of joints in the structure All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Crushing strength Neither A nor B Neither A nor B Resistance to slag attack Crushing strength Neither A nor B Neither A nor B Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome refractories Are not at all resistant to the corrosive action of iron oxide Have very low thermal co-efficient of expansion Have better spalling resistance than chrome magnesite refractories Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form Are not at all resistant to the corrosive action of iron oxide Have very low thermal co-efficient of expansion Have better spalling resistance than chrome magnesite refractories Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Chrome magnesite Dolomite Silicon carbide Magnesite Chrome magnesite Dolomite Silicon carbide Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks 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 Are stored under controlled temperature & humidity to avoid hydration All of these ANSWER DOWNLOAD EXAMIANS APP
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