Refractory Technology Which of the following is not a neutral refractory? Silicon carbide Graphite Chromite Magnesite Silicon carbide Graphite Chromite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Firing temperature All of these Texture Composition Firing temperature All of these Texture Composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Basic refractory Fired at a temperature of 600°C only Neutral refractory Acidic refractory Basic refractory Fired at a temperature of 600°C only Neutral refractory Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Exihibit wetting characteristics Should be used in neutral or reducing atmosphere Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag Exihibit wetting characteristics Should be used in neutral or reducing atmosphere Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to CO attack Slag attack Fusion under load Thermal spalling CO attack Slag attack Fusion under load Thermal spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to corrosion by slag Stability of volume at high temperature Resistance to abrasion Resistance to slag peneration Resistance to corrosion by slag Stability of volume at high temperature Resistance to abrasion Resistance to slag peneration ANSWER DOWNLOAD EXAMIANS APP
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