Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 20 to 30 60 to 75 5 to 10 45 to 60 20 to 30 60 to 75 5 to 10 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 Oxidising condition in the furnace None of these Decreased viscosity of slag Increased thermal conductivity of brick Oxidising condition in the furnace None of these Decreased viscosity of slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 25-35 44129 43961 35-50 25-35 44129 43961 35-50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Corrundum Bauxite Carborundum Periclase Corrundum Bauxite Carborundum Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Repairing construction of various furnace parts Obtaining monolithic working faces Neither A nor B Both A & B Repairing construction of various furnace parts Obtaining monolithic working faces Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Continuous casting systems Neither A nor B Slide gate in teeming laddies Both A & B Continuous casting systems Neither A nor B Slide gate in teeming laddies Both A & B ANSWER DOWNLOAD EXAMIANS APP
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