Refractory Technology Electrical resistor bars are made of Zirconia Silicon carbide Graphite Alumina Zirconia Silicon carbide Graphite Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature All of these Have lower thermal conductivity than fireclay bricks Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature All of these Have lower thermal conductivity than fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Electrical conductivity Resistance to slag attack Softening temperature Spalling resistance Electrical conductivity Resistance to slag attack Softening temperature Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Texture Firing temperature Composition All of these Texture Firing temperature Composition All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by None of these Lime slag Molten steel Iron oxide None of these Lime slag Molten steel Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Silicon carbide Zirconium sulphate Crystalline magnesia Silicon nitride Silicon carbide Zirconium sulphate Crystalline magnesia Silicon nitride ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS