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Refractory Technology

Refractory Technology
Fireclay bricks is not used for lining the

Roof of open hearth furnace
Gas producer
Cupola
Bottom of hot metal mixer

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Refractory Technology
Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of

Fireclay
Siliceous fireclay
Silicon carbide
Corrundum

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Refractory Technology
Mixing of ground refractory material and water is done in a __________ mill.

Tube
Ball
Rod
Pug

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Refractory Technology
Pyrometric cone equivalent (PCE) of a refractory is the measure of its

Spalling resistance
Resistance to slag penetration
Resistance to carbon monoxide attack
Fusion point

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Refractory Technology
Chromite refractories are

Basic refractory
Fired at a temperature of 600°C only
Neutral refractory
Acidic refractory

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Refractory Technology
Carbon refractory blocks

Are acidic in nature
All of these
Are wetted by molten iron
Are used in the hearth of blast furnace

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