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Refractory Technology

Refractory Technology
Fireclay bricks are never used in the

Lead blast furnace
Coke oven walls
Zinc roaster
Beehive oven

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Refractory Technology
Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone.

Preheating
All of these
Cooling
Burning

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Refractory Technology
Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage?

Fireclay bricks
Tar bonded dolomite bricks
Magnesite bricks
Mullite bricks

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Refractory Technology
Fireclay bricks are used in the

Flues
All of these
Chimney linings
Furnaces allowed to cool frequently

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Refractory Technology
Lower part of hot metal mixer are lined with __________ bricks.

Carborundum
Silica
High alumina
Superduty fireclay

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Refractory Technology
Firing of refractory brick is done to

Develop stable mineral forms in them
Form ceramic bonds necessary for development of high crushing strength in the finished product
All of these
Dehydrate the dried refractory

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