Refractory Technology High alumina refractories are used in the Glass melting furnaces Electric arc furnace roof All of these Dome of blast furnace stoves Glass melting furnaces Electric arc furnace roof All of these Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Silicon carbide Lowduty fireclay Silica Chrome or magnesite Silicon carbide Lowduty fireclay Silica Chrome or magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling resistance of a refractory can not be increased by Decreasing its thermal co-efficient of expansion Increasing its porosity Making it denser Using a coarser grog during its manufacture Decreasing its thermal co-efficient of expansion Increasing its porosity Making it denser Using a coarser grog during its manufacture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Shrinkage ability None of these Spalling rate Fusion point Shrinkage ability None of these Spalling rate Fusion point ANSWER DOWNLOAD EXAMIANS APP
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