Refractory Technology Ramming masses are used for Both A & B Neither A nor B Repairing construction of various furnace parts Obtaining monolithic working faces Both A & B Neither A nor B Repairing construction of various furnace parts Obtaining monolithic working faces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Basic Lime None of these Acid Basic Lime None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. High thermal conductivity Non-wetting characteristics Low porosity High density High thermal conductivity Non-wetting characteristics Low porosity High density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 35-50 25-35 44129 43961 35-50 25-35 44129 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Electric furnaces Basic open hearth furnace Basic Bessemer converter All of these Electric furnaces Basic open hearth furnace Basic Bessemer converter All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 100 500 1000 10 100 500 1000 10 ANSWER DOWNLOAD EXAMIANS APP
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