Refractory Technology Ferromagnetic ceramic material is not used in the Magnetic switches Television sets Thermal insulation Transformers Magnetic switches Television sets Thermal insulation Transformers ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 44129 25-35 43961 35-50 44129 25-35 43961 35-50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Hearth of soaking pits Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Coke oven regenerator Hearth of soaking pits Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Coke oven regenerator ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Coke oven walls Dome and upper portion of B.F. stoves Open hearth furnace roof Beehive coke ovens Coke oven walls Dome and upper portion of B.F. stoves Open hearth furnace roof Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Silica Chrome or magnesite Silicon carbide Lowduty fireclay Silica Chrome or magnesite Silicon carbide Lowduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Increased thermal conductivity of brick Decreased viscosity of slag None of these Oxidising condition in the furnace Increased thermal conductivity of brick Decreased viscosity of slag None of these Oxidising condition in the furnace ANSWER DOWNLOAD EXAMIANS APP
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