Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Carborundum Corrundum Periclase Bauxite Carborundum Corrundum Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Hand moulding Extrusion Slip casting Pressing/machine moulding Hand moulding Extrusion Slip casting Pressing/machine moulding ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Silicon carbide Zirconia None of these Magnesia Silicon carbide Zirconia None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 60 to 75 5 to 10 20 to 30 45 to 60 60 to 75 5 to 10 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Tridymite None of these Cristobalite Quartz Tridymite None of these Cristobalite Quartz ANSWER DOWNLOAD EXAMIANS APP
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