Refractory Technology Periclase refractory contains mainly Al2O₃ MgO SiO₂ CaO Al2O₃ MgO SiO₂ CaO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Slag attack Thermal spalling CO attack Fusion under load Slag attack Thermal spalling CO attack Fusion under load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Increased by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Reduced by the addition of basic oxides Increased by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Reduced by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Mullite bricks Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks Tar dolomite bricks High alumina bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Making sheaths for thermocouple Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Making sheaths for thermocouple ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature ANSWER DOWNLOAD EXAMIANS APP
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