Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Aluminous firebrick Sillimanite Magnesite Firebrick Aluminous firebrick Sillimanite Magnesite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Lowduty fireclay Silicon carbide Chrome or magnesite Silica Lowduty fireclay Silicon carbide Chrome or magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Flues Furnaces allowed to cool frequently Chimney linings All of these Flues Furnaces allowed to cool frequently Chimney linings All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1300 1550 1450 1150 1300 1550 1450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Mortars Castables None of these Cements Mortars Castables None of these Cements ANSWER DOWNLOAD EXAMIANS APP
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