Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1710 1380 1520 1915 1710 1380 1520 1915 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic Lime Acid None of these Basic Lime Acid None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Insulating refractories should have Neither A nor B Low thermal conductivity High porosity Both A & B Neither A nor B Low thermal conductivity High porosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 1715 1350 2570 2800 1715 1350 2570 2800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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