Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Graphite Zircon Fireclay Alumina Graphite Zircon Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Increases with rise in service temperature Is unaffected with change in service temperature Decreases with rise in service temperature Decreases with increase in porosity Increases with rise in service temperature Is unaffected with change in service temperature Decreases with rise in service temperature Decreases with increase in porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Magnesite Fireclay Dolomite Chrome magnesite Magnesite Fireclay Dolomite Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. None of these Silica Superduty fireclay Chromite None of these Silica Superduty fireclay Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Silicon carbide None of these Zirconia Magnesia Silicon carbide None of these Zirconia ANSWER DOWNLOAD EXAMIANS APP
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