Refractory Technology Fireclay bricks is not used for lining the Cupola Bottom of hot metal mixer Roof of open hearth furnace Gas producer Cupola Bottom of hot metal mixer Roof of open hearth furnace Gas producer ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Black None of these Light buff to reddish buff Yellow Black None of these Light buff to reddish buff Yellow ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Less fusion point Better spalling resistance Neither A nor B Both A & B Less fusion point Better spalling resistance Neither A nor B Both A & B 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 Porosity of fireclay refractories is __________ percent. 35-50 44129 25-35 43961 35-50 44129 25-35 43961 ANSWER DOWNLOAD EXAMIANS APP
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