Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Silica Tar dolomite Fireclay Carbon Silica Tar dolomite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Low co-efficient of thermal expansion Tendency to expand unduly high during firing Very high cost Poor thermal spalling resistance Low co-efficient of thermal expansion Tendency to expand unduly high during firing Very high cost Poor thermal spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Foresterite Fireclay Magnesite Chromite Foresterite Fireclay Magnesite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 1600 2000 700 1000 1600 2000 700 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Neutral in nature Having higher RUL than silica bricks Made by mixing 30% chromite and 70% periclase Acidic in nature Neutral in nature Having higher RUL than silica bricks Made by mixing 30% chromite and 70% periclase Acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1600-1800 800-1000 2400-2600 1000-1200 1600-1800 800-1000 2400-2600 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
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