Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Remains constant Decreases May increase or decrease ; depends on its alumina content Increases Remains constant Decreases May increase or decrease ; depends on its alumina content Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog All of these Iscrushed firebrick Is a non-plastic material Contains both alumina and silica All of these Iscrushed firebrick Is a non-plastic material Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have All of these High spalling resistance High RUL (1600°C) and refractoriness (> 2000°C) Low co-efficient of expansion All of these High spalling resistance High RUL (1600°C) and refractoriness (> 2000°C) Low co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Spalling resistance Fusion point Resistance to slag penetration Resistance to carbon monoxide attack Spalling resistance Fusion point Resistance to slag penetration Resistance to carbon monoxide attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Silicon carbide None of these Zirconia Magnesia Silicon carbide None of these Zirconia ANSWER DOWNLOAD EXAMIANS APP
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