Refractory Technology Carbon refractory blocks Are used in the hearth of blast furnace Are wetted by molten iron Are acidic in nature All of these Are used in the hearth of blast furnace Are wetted by molten iron Are acidic in nature All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Softening temperature Resistance to slag attack Spalling resistance Electrical conductivity Softening temperature Resistance to slag attack Spalling resistance Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the All of these Ceramic recuperators Muffle furnace Zinc smelting furnace All of these Ceramic recuperators Muffle furnace Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Segar cones Insulating bricks Crucibles used for melting of high purity metals Muffles for muffle furnaces Segar cones Insulating bricks Crucibles used for melting of high purity metals Muffles for muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High resistance to fusion High spalling resistance Low spalling resistance Low porosity High resistance to fusion High spalling resistance Low spalling resistance Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Slag attack CO attack Thermal spalling Fusion under load Slag attack CO attack Thermal spalling Fusion under load ANSWER DOWNLOAD EXAMIANS APP
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