Refractory Technology Vacuum steel degassing units are lined with Graphite blocks Silica bricks Low duty firebricks High alumina bricks Graphite blocks Silica bricks Low duty firebricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Power Metallurgical Cement Fertiliser Power Metallurgical Cement Fertiliser ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Tar bonded dolomite bricks Magnesite bricks Fireclay bricks Chromite bricks Tar bonded dolomite bricks Magnesite bricks Fireclay bricks Chromite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Chrome or magnesite Lowduty fireclay Silicon carbide Silica Chrome or magnesite Lowduty fireclay Silicon carbide Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Basic Lime None of these Acid Basic Lime None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with decrease in porosity Increases with the amount of air entrapped in pores Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with decrease in porosity Increases with the amount of air entrapped in pores ANSWER DOWNLOAD EXAMIANS APP
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