Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Side wall of soaking pits Regenerators of coke oven Walls of coke oven Hearth of blast furnace Side wall of soaking pits Regenerators of coke oven Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Low co-efficient of thermal expansion Very high cost Poor thermal spalling resistance Tendency to expand unduly high during firing Low co-efficient of thermal expansion Very high cost Poor thermal spalling resistance Tendency to expand unduly high during firing ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Bottom of hot metal mixer Gas producer Roof of open hearth furnace Cupola Bottom of hot metal mixer Gas producer Roof of open hearth furnace Cupola ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Magnesite Carborundum Silica Fireclay Magnesite Carborundum Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Neutral in nature Having higher RUL than silica bricks Acidic in nature Made by mixing 30% chromite and 70% periclase Neutral in nature Having higher RUL than silica bricks Acidic in nature Made by mixing 30% chromite and 70% periclase ANSWER DOWNLOAD EXAMIANS APP
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