Refractory Technology Addition of zircon to silica refractory brick improves its Resistance to slag attack Crushing strength Neither A nor B Neither A nor B Resistance to slag attack Crushing strength Neither A nor B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Softening temperature Spalling resistance Electrical conductivity Resistance to slag attack Softening temperature Spalling resistance Electrical conductivity Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to abrasion Resistance to slag peneration Stability of volume at high temperature Resistance to corrosion by slag Resistance to abrasion Resistance to slag peneration Stability of volume at high temperature Resistance to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about >94 55-60 35-40 80-85 >94 55-60 35-40 80-85 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Preheating All of these Cooling Burning Preheating All of these Cooling Burning ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the All of these Chemical composition Physical structure Presence of impurities like iron & alkali All of these Chemical composition Physical structure Presence of impurities like iron & alkali ANSWER DOWNLOAD EXAMIANS APP
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