Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Magnesite bricks Tar bonded dolomite bricks Mullite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks Mullite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Coke oven walls Lead blast furnace Zinc roaster Beehive oven Coke oven walls Lead blast furnace Zinc roaster Beehive oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to high load Subjected to temperature fluctuation None of these Required to resist corrosive basic slag Subjected to high load Subjected to temperature fluctuation None of these Required to resist corrosive basic slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Zirconium sulphate Crystalline magnesia Silicon carbide Silicon nitride Zirconium sulphate Crystalline magnesia Silicon carbide Silicon nitride ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite bricks are Neutral in nature Acidic in nature Made by mixing 30% chromite and 70% periclase Having higher RUL than silica bricks Neutral in nature Acidic in nature Made by mixing 30% chromite and 70% periclase Having higher RUL than silica bricks 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. 2000 1000 700 1600 2000 1000 700 1600 ANSWER DOWNLOAD EXAMIANS APP
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