Refractory Technology Segar cones are used for the determination of __________ of refractories. Resistance to slag attack Electrical conductivity Softening temperature Spalling resistance Resistance to slag attack Electrical conductivity Softening temperature Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Thermal conductivity Wetting characteristics Refractoriness Both B and C Thermal conductivity Wetting characteristics Refractoriness Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Magnesite bricks Mullite bricks Fireclay bricks Tar bonded dolomite bricks Magnesite bricks Mullite bricks Fireclay bricks Tar bonded dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace Muffle furnace Ceramic recuperators All of these Zinc smelting furnace Muffle furnace Ceramic recuperators All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Carborundum Bauxite Periclase Corrundum Carborundum Bauxite Periclase Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Washing action of metal Neither A nor B Both A & B Corrosion by layer of slag Washing action of metal Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP