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