Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 30 50 90 70 30 50 90 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Slide gate in teeming laddies Neither A nor B Continuous casting systems Both A & B Slide gate in teeming laddies Neither A nor B Continuous casting systems Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 44129 25-35 35-50 43961 44129 25-35 35-50 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Attack by basic slag Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag Disintegration on sudden change of temperature Abrasion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to abrasion Stability of volume at high temperature Resistance to corrosion by slag Resistance to slag peneration Resistance to abrasion Stability of volume at high temperature Resistance to corrosion by slag Resistance to slag peneration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Used for raising & maintaining high temperature Both (b) and © Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Used for raising & maintaining high temperature ANSWER DOWNLOAD EXAMIANS APP
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