Refractory Technology An indication of degree of firing in silica brick is its Specific gravity None of these Fusion point RUL Specific gravity None of these Fusion point RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Insulating refractories should have High porosity Low thermal conductivity Both A & B Neither A nor B High porosity Low thermal conductivity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Reduced by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Not affected by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Not affected by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 30 50 70 90 30 50 70 90 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Slide gate in teeming laddies Continuous casting systems Neither A nor B Both A & B Slide gate in teeming laddies Continuous casting systems Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. None of these Basic Lime Acid None of these Basic Lime Acid ANSWER DOWNLOAD EXAMIANS APP
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