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Refractory Technology

Refractory Technology
Fireclay bricks are used in the

Furnaces allowed to cool frequently
Flues
Chimney linings
All of these

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Refractory Technology
Ramming masses are used for

Repairing construction of various furnace parts
Neither A nor B
Obtaining monolithic working faces
Both A & B

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Refractory Technology
Zirconia refractories are not used in

Lining high temperature ceramic kilns
Making sheaths for thermocouple
High frequency induction furnaces in the form of inductors
Furnaces subjected to fluctuating temperature

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Refractory Technology
Tar dolomite bricks are used in the

All of these
Basic open hearth furnace
Basic Bessemer converter
Electric furnaces

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Refractory Technology
With increasing alumina content, the fusion point of high alumina refractories

Decreases
Increases
Remains constant
May increase or decrease ; depends on its alumina content

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Refractory Technology
Dilatometer is used for the determination of __________ of refractories.

Modulus of rupture
Resistance to CO attack
Permanent linear change
RUL

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