Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Magnesite Fireclay Silica Dolomite Magnesite Fireclay Silica Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing of refractory brick is done to All of these Dehydrate the dried refractory Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Dehydrate the dried refractory Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is ZrSO₄ Amorphous magnesite Crystalline form of MgO MgCO₃ ZrSO₄ Amorphous magnesite Crystalline form of MgO MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Chimney linings All of these Flues Furnaces allowed to cool frequently Chimney linings All of these Flues Furnaces allowed to cool frequently ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology What is Thoria? Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these Thoria Has high resistance to basic slags Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these Thoria Has high resistance to basic slags ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. 85% alumina Corundum Fireclay Carbon 85% alumina Corundum Fireclay Carbon ANSWER DOWNLOAD EXAMIANS APP
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