Refractory Technology High alumina refractories are used in the Electric arc furnace roof Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof Dome of blast furnace stoves Glass melting furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace Neutral 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 Chrome or magnesite Silica Lowduty fireclay Silicon carbide Chrome or magnesite Silica Lowduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling resistance of a refractory can not be increased by 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 Decreasing its thermal co-efficient of expansion Increasing its porosity Making it denser ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Shrinkage ability None of these Fusion point Spalling rate Shrinkage ability None of these Fusion point Spalling rate ANSWER DOWNLOAD EXAMIANS APP
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