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Refractory Technology

Refractory Technology
Tar dolomite bricks are used in the

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

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Refractory Technology
Hollow refractory bricks are made by

Slip casting
Extrusion
Hand moulding
Pressing/machine moulding

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Refractory Technology
Fireclay bricks are used in the

All of these
Chimney linings
Furnaces allowed to cool frequently
Flues

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Refractory Technology
Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except

Cost
Electrical conductivity
Fusion point
Thermal conductivity

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Refractory Technology
Which is not a high alumina refractory?

Dolomite
Mullite
Bauxite
Corrundum

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Refractory Technology
__________ nozzles are used in continuous casting of steel,

Carborundum
Zircon
Thoria
Beryllia

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MORE MCQ ON Refractory Technology

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