Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 10 20 15 30 10 20 15 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1380 1520 1915 1710 1380 1520 1915 1710 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic None of these Acid Lime Basic None of these Acid Lime ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Silica Superduty fireclay Chromite None of these Silica Superduty fireclay Chromite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 50 90 70 30 50 90 70 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less load bearing capacity Less resistance to slag attack Low refractoriness High resistance to thermal shock and creep Less load bearing capacity Less resistance to slag attack Low refractoriness High resistance to thermal shock and creep ANSWER DOWNLOAD EXAMIANS APP
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