Refractory Technology RUL of refractories depends on the All of these Chemical composition Physical structure Presence of impurities like iron & alkali All of these Chemical composition Physical structure Presence of impurities like iron & alkali ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing All of these Are not resistant to the action of basic slags Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Semi-silica Bakelite impregnated or fused periclase Silica Fireclay Semi-silica Bakelite impregnated or fused periclase Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Television sets Magnetic switches Transformers Thermal insulation Television sets Magnetic switches Transformers Thermal insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2800 2570 1715 1350 2800 2570 1715 1350 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Muffle furnaces Coke ovens Regenerators Insulation Muffle furnaces Coke ovens Regenerators Insulation ANSWER DOWNLOAD EXAMIANS APP
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