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