Refractory Technology Carbon refractories have very high Wetting characteristics Refractoriness Thermal conductivity Both B and C Wetting characteristics Refractoriness Thermal conductivity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Blast furnace Recuperators Muffle furnace Coke oven regenarators Blast furnace Recuperators Muffle furnace Coke oven regenarators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Silica Magnesite Fireclay Zirconia Silica Magnesite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to slag peneration Stability of volume at high temperature Resistance to abrasion Resistance to corrosion by slag Resistance to slag peneration Stability of volume at high temperature Resistance to abrasion Resistance to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 20 and 80 50 and 50 80 and 20 60 and 40 20 and 80 50 and 50 80 and 20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 30 15 10 20 30 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
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