Refractory Technology An indication of degree of firing in silica brick is its RUL None of these Fusion point Specific gravity RUL None of these Fusion point Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Reduce its shrinkage on heating All of these Impart greater spalling resistance Enhance the strength of fired refractories Reduce its shrinkage on heating All of these Impart greater spalling resistance Enhance the strength of fired refractories ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher moulding pressure Higher firing temperature Finer grog size All of these Higher moulding pressure Higher firing temperature Finer grog size All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to slag peneration Stability of volume at high temperature Resistance to corrosion by slag Resistance to abrasion Resistance to slag peneration Stability of volume at high temperature Resistance to corrosion by slag Resistance to abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Superduty fireclay Chromite Silica None of these Superduty fireclay Chromite Silica None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS