Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Both A & B Corrosion by layer of slag Neither A nor B Washing action of metal Both A & B Corrosion by layer of slag Neither A nor B Washing action of metal ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Cupola Gas producer Roof of open hearth furnace Bottom of hot metal mixer Cupola Gas producer Roof of open hearth furnace Bottom of hot metal mixer ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Silicon nitride Silicon carbide Crystalline magnesia Zirconium sulphate Silicon nitride Silicon carbide Crystalline magnesia Zirconium sulphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Dolomite Chrome magnesite Magnesite Fireclay Dolomite Chrome magnesite Magnesite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Decreases Increases Remains same May increase or decrease Decreases Increases Remains same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the All of these Physical structure Chemical composition Presence of impurities like iron & alkali All of these Physical structure Chemical composition Presence of impurities like iron & alkali ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS