Refractory Technology Carbon refractories have very high Wetting characteristics Both B and C Refractoriness Thermal conductivity Wetting characteristics Both B and C Refractoriness Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have All of these Poor heat conductivity & low strength Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance All of these Poor heat conductivity & low strength Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Mullite Corrundum Dolomite Bauxite Mullite Corrundum Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Fireclay Graphite Zircon Alumina Fireclay Graphite Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is MgCO₃ ZrSO₄ Crystalline form of MgO Amorphous magnesite MgCO₃ ZrSO₄ Crystalline form of MgO Amorphous magnesite ANSWER DOWNLOAD EXAMIANS APP