Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Fireclay Tar dolomite Silica Carbon Fireclay Tar dolomite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the All of these Zinc smelting furnace Ceramic recuperators Muffle furnace All of these Zinc smelting furnace Ceramic recuperators Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >2000 500 >1350 1000 >2000 500 >1350 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Resistance to CO attack RUL Permanent linear change Modulus of rupture Resistance to CO attack RUL Permanent linear change Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories All of these Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks All of these Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
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