Refractory Technology Magnesite refractories are generally not used in the Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 80 and 20 20 and 80 50 and 50 60 and 40 80 and 20 20 and 80 50 and 50 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Refractoriness under load (RUL) Slag penetration resistance Spalling resistance Fusion point Refractoriness under load (RUL) Slag penetration resistance Spalling resistance Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1550 1300 1150 1450 1550 1300 1150 1450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by None of these Lime slag Molten steel Iron oxide None of these Lime slag Molten steel Iron oxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS