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