Refractory Technology Periclase refractory contains mainly SiO₂ Al2O₃ MgO CaO SiO₂ Al2O₃ MgO CaO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Chemical composition All of these Presence of impurities like iron & alkali Physical structure Chemical composition All of these Presence of impurities like iron & alkali Physical structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Slide gate in teeming laddies Neither A nor B Continuous casting systems Both A & B Slide gate in teeming laddies Neither A nor B Continuous casting systems ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Firing temperature Composition Shape Texture Firing temperature Composition Shape Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature All of these Can not be used in the dome of hot blast stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Finer grog size Higher moulding pressure All of these Higher firing temperature Finer grog size Higher moulding pressure All of these Higher firing temperature ANSWER DOWNLOAD EXAMIANS APP
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