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Refractory Technology

Refractory Technology
Which furnace consumes maximum refractory annually in an integrated steel plant?

L.D. converter
Coke ovens
Blastfurnace
Soaking pit

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Refractory Technology
Magnesite chrome bricks are used in the

Reheating furnaces
Soaking pits
All of these
Roof lining of basic open hearth & other basic furnaces

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Refractory Technology
Thermal diffusivity of a refractory brick is high, when its __________ is high.

Specific heat
Thermal conductivity
Density
None of these

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Refractory Technology
Ferromagnetic ceramic material is not used in the

Magnetic switches
Thermal insulation
Television sets
Transformers

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Refractory Technology
Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the

Roof of electric furnaces
Hearth of the blast furnace
Nuclear reactors, missiles & space crafts
Insulation of high temperature furnaces

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Refractory Technology
The largest consumer of refractories is the __________ industry.

Power
Cement
Metallurgical
Fertiliser

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