Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Presence of iron or silica is harmful All of these Highly reducing conditions are involved Very high temperatures are involved Presence of iron or silica is harmful All of these Highly reducing conditions are involved Very high temperatures are involved ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Low porosity Neither A nor B High thermal conductivity Both A & B Low porosity Neither A nor B High thermal conductivity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Tube Rod Ball Pug Tube Rod ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. None of these Superduty fireclay Chromite Silica None of these Superduty fireclay Chromite Silica ANSWER DOWNLOAD EXAMIANS APP
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