Refractory Technology Fusion point of an acidic refractory material is Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Fireclay Magnesite Corundum Silica Fireclay Magnesite Corundum Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Both (b) and © Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Both (b) and © Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are 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 Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Muffle furnace Zinc smelting furnace Ceramic recuperators All of these Muffle furnace Zinc smelting furnace Ceramic recuperators All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Carborundum Corundum Thoria Beryllia Carborundum Corundum Thoria Beryllia ANSWER DOWNLOAD EXAMIANS APP
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