Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Resistance to CO attack Permanent linear change Modulus of rupture RUL Resistance to CO attack Permanent linear change Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Are not resistant to corrosion by slag Exhibit high shrinkage on thermal treatment Exihibit wetting characteristics Should be used in neutral or reducing atmosphere Are not resistant to corrosion by slag Exhibit high shrinkage on thermal treatment Exihibit wetting characteristics Should be used in neutral or reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Muffle furnace Ceramic recuperators Zinc smelting furnace All of these Muffle furnace Ceramic recuperators Zinc smelting furnace All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature All of these Finer grog size Higher moulding pressure Higher firing temperature All of these Finer grog size Higher moulding pressure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractory blocks All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Muffle furnace Blast furnace Coke oven regenarators Recuperators Muffle furnace Blast furnace Coke oven regenarators Recuperators ANSWER DOWNLOAD EXAMIANS APP
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