Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgSO₄ MgAl2O₃ MgAl2O₄ MgAl2O₃.2H₂O MgSO₄ MgAl2O₃ MgAl2O₄ MgAl2O₃.2H₂O ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Firing temperature Composition Shape Texture Firing temperature Composition Shape Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Alumina Zirconia Silicon carbide Graphite Alumina Zirconia Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 70 270 570 770 70 270 570 770 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Low refractoriness Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep Low refractoriness Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Fireclay Zirconia Chrome magnesite Silica Fireclay Zirconia Chrome magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
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