Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Coke oven regenarators Recuperators Blast furnace Muffle furnace Coke oven regenarators Recuperators Blast furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Insulating refractories should have Both A & B Low thermal conductivity High porosity Neither A nor B Both A & B Low thermal conductivity High porosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Wear out lining of steel melting furnaces Inner lining of L.D. converter All of these Aluminium melting furnaces Wear out lining of steel melting furnaces Inner lining of L.D. converter All of these Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Crushing strength Resistance to slag attack Neither A nor B Neither A nor B Crushing strength Resistance to slag attack Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Low porosity Both A & B High thermal conductivity Neither A nor B Low porosity Both A & B High thermal conductivity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Permanent linear change Resistance to CO attack Modulus of rupture RUL Permanent linear change Resistance to CO attack Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
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