Refractory Technology Which is not an acidic refractory? Fireclay Carbon black High alumina refractory Silica Fireclay Carbon black High alumina refractory Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? Al2O₃ All of these CaO SiO₂ Al2O₃ All of these CaO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Resistance to slag Crushing strength Refractoriness Spalling resistance Resistance to slag Crushing strength Refractoriness Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Zirconia Magnesia Silicon carbide None of these Zirconia Magnesia Silicon carbide None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Cooling Burning Preheating All of these Cooling Burning Preheating All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 2 1 0.5 3.5 2 1 0.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
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