Refractory Technology Panel test determines the __________ of refractories. Fusion point Slag penetration resistance Spalling resistance Refractoriness under load (RUL) Fusion point Slag penetration resistance Spalling resistance Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractory blocks Are acidic in nature All of these Are wetted by molten iron Are used in the hearth of blast furnace Are acidic in nature All of these Are wetted by molten iron Are used in the hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Wetting characteristics Thermal conductivity Both B and C Refractoriness Wetting characteristics Thermal conductivity Both B and C Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to corrosion by slag Stability of volume at high temperature Resistance to abrasion Resistance to slag peneration Resistance to corrosion by slag Stability of volume at high temperature Resistance to abrasion Resistance to slag peneration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Fireclay Very low alumina Dolomite Silica Fireclay Very low alumina Dolomite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents ANSWER DOWNLOAD EXAMIANS APP
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