Refractory Technology Which form of silica has the highest specific gravity? Cristobalite Tridymite Quartz All of these Cristobalite Tridymite Quartz All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its Non-wetting characteristic High crushing strength None of these High thermal conductivity Non-wetting characteristic High crushing strength None of these High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Permanent linear change Modulus of rupture RUL Resistance to CO attack Permanent linear change Modulus of rupture RUL Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Spalling resistance reduces Resistance to slag attack increases Both A & B Neither A nor B Spalling resistance reduces Resistance to slag attack increases Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Blastfurnace L.D. converter Soaking pit Coke ovens Blastfurnace L.D. converter Soaking pit Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Open hearth furnace roof Dome and upper portion of B.F. stoves Coke oven walls Beehive coke ovens Open hearth furnace roof Dome and upper portion of B.F. stoves Coke oven walls Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
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