Refractory Technology Ferromagnetic ceramic material is not used in the Magnetic switches Television sets Thermal insulation Transformers Magnetic switches Television sets Thermal insulation Transformers ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic None of these Acid Lime Basic None of these Acid Lime ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Removal of water of hydration Vitrification Decrease in crushing strength Development of stable mineral form Removal of water of hydration Vitrification Decrease in crushing strength Development of stable mineral form ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgSO₄ MgAl2O₃ MgAl2O₃.2H₂O MgAl2O₄ MgSO₄ MgAl2O₃ MgAl2O₃.2H₂O MgAl2O₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 35-40 80-85 55-60 >94 35-40 80-85 55-60 >94 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Graphite Magnesia Silica Magnesite chrome Graphite Magnesia Silica Magnesite chrome ANSWER DOWNLOAD EXAMIANS APP
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