Refractory Technology High alumina refractories are used in the Electric arc furnace roof Glass melting furnaces All of these Dome of blast furnace stoves Electric arc furnace roof Glass melting furnaces 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 Oxidising atmosphere Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere Reducing 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. Chrome or magnesite Silicon carbide Silica Lowduty fireclay Chrome or magnesite Silicon carbide 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 Making it denser Decreasing its thermal co-efficient of expansion Increasing its porosity Using a coarser grog during its manufacture Making it denser Decreasing its thermal co-efficient of expansion Increasing its porosity 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