Refractory Technology Carbon refractories have very high Wetting characteristics Thermal conductivity Both B and C Refractoriness Wetting characteristics Thermal conductivity Both B and C Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor heat conductivity & low strength All of these Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance Poor heat conductivity & low strength All of these 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? Corrundum Mullite Bauxite Dolomite Corrundum Mullite Bauxite Dolomite 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 Amorphous magnesite Crystalline form of MgO ZrSO₄ MgCO₃ Amorphous magnesite Crystalline form of MgO ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP