Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Silicon carbide Fireclay Corrundum Siliceous fireclay Silicon carbide Fireclay Corrundum Siliceous fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Spalling resistance Electrical conductivity Softening temperature Resistance to slag attack Spalling resistance Electrical conductivity Softening temperature Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Less fusion point Better spalling resistance Neither A nor B Both A & B Less fusion point Better spalling resistance Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Neither A nor B Both A & B Specific gravity Volume Neither A nor B Both A & B Specific gravity Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Ceheating furnace L.D. converter Soaking pits Rotary lime kiln Ceheating furnace L.D. converter Soaking pits Rotary lime kiln ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about >94 80-85 35-40 55-60 >94 80-85 35-40 55-60 ANSWER DOWNLOAD EXAMIANS APP
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