Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Remains constant Increases Decreases May increase or decrease ; depends on its alumina content Remains constant Increases Decreases May increase or decrease ; depends on its alumina content ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Fireclay Magnesite Silica Dolomite Fireclay Magnesite Silica Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Basic Bessemer converter All of these Basic open hearth furnace Electric furnaces Basic Bessemer converter All of these Basic open hearth furnace Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Carborundum Graphite Chromite Fireclay Carborundum Graphite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks Used in the roof of the furnace Used for furnace insulation At the hearth bottom of the furnace on which stock is placed None of these Used in the roof of the furnace Used for furnace insulation At the hearth bottom of the furnace on which stock is placed None of these ANSWER DOWNLOAD EXAMIANS APP
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