Refractory Technology Spalling tendency of refractories is reduced by increasing its Porosity Thermal conductivity Strength Specific gravity Porosity Thermal conductivity Strength Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Fireclay Tar dolomite Silica Carbon Fireclay Tar dolomite Silica Carbon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where All of these Highly reducing conditions are involved Very high temperatures are involved Presence of iron or silica is harmful All of these Highly reducing conditions are involved Very high temperatures are involved Presence of iron or silica is harmful ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Graphite Chromite Silicon carbide Magnesite Graphite Chromite Silicon carbide Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1550 1150 1450 1300 1550 1150 1450 1300 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 700 1600 1000 2000 700 1600 1000 ANSWER DOWNLOAD EXAMIANS APP
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