Refractory Technology 'Super refractories' are made from pure Oxides Carbides Borides Nitrides Oxides Carbides Borides Nitrides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Lime Acid None of these Basic Lime Acid None of these Basic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Thoria Silicon carbide High alumina Fireclay Thoria Silicon carbide High alumina Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? Al2O₃ SiO₂ CaO All of these Al2O₃ SiO₂ CaO All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Bauxite bricks Fireclay bricks Silica bricks Magnesia bricks Bauxite bricks Fireclay bricks Silica bricks Magnesia bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are used in Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Both A & B Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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