Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 7-12 2-3 5-7 14-20 7-12 2-3 5-7 14-20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Combustion chamber of B.F. stoves Beehive coke oven Coke oven regenerators By-product coke oven walls Combustion chamber of B.F. stoves Beehive coke oven Coke oven regenerators By-product coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1550 1450 1300 1150 1550 1450 1300 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Furnaces allowed to cool frequently Flues All of these Chimney linings Furnaces allowed to cool frequently Flues All of these Chimney linings ANSWER DOWNLOAD EXAMIANS APP
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