Refractory Technology Porosity of fireclay refractories is __________ percent. 25-35 44129 35-50 43961 25-35 44129 35-50 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the None of these Rotary kilns Tunnel kilns Sun None of these Rotary kilns Tunnel kilns Sun ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Low porosity Non-wetting characteristics High density High thermal conductivity Low porosity Non-wetting characteristics High density High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 8 44 24 58 8 44 24 58 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its High thermal diffusivity Low refractoriness Very high thermal conductivity High co-efficient of expansion upto this temperature High thermal diffusivity Low refractoriness Very high thermal conductivity High co-efficient of expansion upto this temperature ANSWER DOWNLOAD EXAMIANS APP
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