Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks None of these Used in the roof of the furnace At the hearth bottom of the furnace on which stock is placed Used for furnace insulation None of these Used in the roof of the furnace At the hearth bottom of the furnace on which stock is placed Used for furnace insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Coke oven regenerators Combustion chamber of B.F. stoves By-product coke oven walls Beehive coke oven Coke oven regenerators Combustion chamber of B.F. stoves By-product coke oven walls Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1450 1300 1550 1150 1450 1300 1550 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Tar dolomite bricks Mullite bricks High alumina bricks Fireclay bricks Tar dolomite bricks Mullite bricks High alumina bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High refractoriness High resistance to spalling High strength and density All of these High refractoriness High resistance to spalling High strength and density All of these ANSWER DOWNLOAD EXAMIANS APP