Refractory Technology Carbon refractory blocks Are acidic in nature Are used in the hearth of blast furnace Are wetted by molten iron All of these Are acidic in nature Are used in the hearth of blast furnace Are wetted by molten iron All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Both A & B Neither A nor B Resistance to slag attack increases Spalling resistance reduces Both A & B Neither A nor B Resistance to slag attack increases Spalling resistance reduces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are used in Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Both A & B Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Both A & B Bottom of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Silica Fireclay Magnesite Dolomite Silica Fireclay Magnesite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Neither A nor B Less fusion point Better spalling resistance Both A & B Neither A nor B Less fusion point Better spalling resistance Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Tube Ball Pug Rod Tube Ball Pug Rod ANSWER DOWNLOAD EXAMIANS APP
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