Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Spalling resistance Thermal conductivity Strength None of these Spalling resistance Thermal conductivity Strength None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Quartz Cristobalite Tridymite All of these Quartz Cristobalite Tridymite All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Graphite Fireclay Alumina Zircon Graphite Fireclay Alumina Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Dome of blast furnace stoves Beehive coke ovens Roof of open hearth furnace By-product coke ovens Dome of blast furnace stoves Beehive coke ovens Roof of open hearth furnace By-product coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by None of these Molten steel Lime slag Iron oxide None of these Molten steel Lime slag Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Bauxite Carborundum Corrundum Periclase Bauxite Carborundum Corrundum ANSWER DOWNLOAD EXAMIANS APP
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