Refractory Technology Magnesite refractories are generally not used in the Burning zone of cement kilns Steel melting furnace Open hearth furnace Electric furnace walls Burning zone of cement kilns Steel melting furnace Open hearth furnace Electric furnace walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Lowduty fireclay Silicon carbide Silica Chrome or magnesite Lowduty fireclay Silicon carbide Silica Chrome or magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Mortars Castables None of these Cements Mortars Castables None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Electrical conductivity Resistance to slag attack Spalling resistance Softening temperature Electrical conductivity Resistance to slag attack Spalling resistance Softening temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Dome of blast furnace stoves By-product coke ovens Roof of open hearth furnace Beehive coke ovens Dome of blast furnace stoves By-product coke ovens Roof of open hearth furnace Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
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