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