Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Resistance to CO attack Permanent linear change Modulus of rupture RUL Resistance to CO attack Permanent linear change Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Basic Lime None of these Acid Basic Lime None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? SiO₂ CaO All of these Al2O₃ SiO₂ CaO All of these Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Silica Lowduty fireclay Chrome or magnesite Silicon carbide Silica Lowduty fireclay Chrome or magnesite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Magnesite Carborundum Silica Fireclay Magnesite Carborundum Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Inner lining of L.D. converter All of these Wear out lining of steel melting furnaces Aluminium melting furnaces Inner lining of L.D. converter All of these Wear out lining of steel melting furnaces Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
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