Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Chromite Carborundum Fireclay Graphite Chromite Carborundum Fireclay Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Tar dolomite Carbon Fireclay Silica Tar dolomite Carbon Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Silicon nitride Zirconium sulphate Silicon carbide Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide Crystalline magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing of refractory brick is done to Dehydrate the dried refractory All of these Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product Dehydrate the dried refractory All of these Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product 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 Refractories used in/for __________ should have low thermal conductivity. Regenerators Coke ovens Muffle furnaces Insulation Regenerators Coke ovens Muffle furnaces Insulation ANSWER DOWNLOAD EXAMIANS APP
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