Refractory Technology silicon carbide refractories have very low None of these Refractoriness (< 1700°C) Thermal conductivity Resistance to thermal shock None of these Refractoriness (< 1700°C) Thermal conductivity Resistance to thermal shock ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Silicon carbide Siliceous fireclay Fireclay Corrundum Silicon carbide Siliceous fireclay Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Neutral Oxidising Either A or B Neither A nor B Neutral Oxidising Either A or B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Zircon Carborundum Beryllia Thoria Zircon Carborundum Beryllia Thoria ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS