Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Silica Magnesite Fireclay Carborundum Silica Magnesite Fireclay Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Buckstay Armouring Baffle Breast wall Buckstay Armouring Baffle Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 1715 2570 1350 2800 1715 2570 1350 2800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Resistance to slag attack of a refractory Depends on the nature of slag & refractory Decreases at higher temperature All of these Decreases, if defective joints & cracks exist in the refractory Depends on the nature of slag & refractory Decreases at higher temperature All of these Decreases, if defective joints & cracks exist in the refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 20 to 30 60 to 75 45 to 60 5 to 10 20 to 30 60 to 75 45 to 60 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces ANSWER DOWNLOAD EXAMIANS APP
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