Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Either A or B; depends on its quantity Increases Lowers Does not affect Either A or B; depends on its quantity Increases Lowers ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Fireclay Silicon carbide High alumina Thoria Fireclay Silicon carbide High alumina Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Electric furnaces All of these Basic Bessemer converter Basic open hearth furnace Electric furnaces All of these Basic Bessemer converter Basic open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. High alumina Superduty fireclay Carborundum Silica High alumina Superduty fireclay Carborundum Silica ANSWER DOWNLOAD EXAMIANS APP
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