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