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Refractory Technology

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

Coke ovens
Blastfurnace
Soaking pit
L.D. converter

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Refractory Technology
Chrome magnesite bricks are

Neutral in nature
Made by mixing 30% chromite and 70% periclase
Acidic in nature
Having higher RUL than silica bricks

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Refractory Technology
Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively.

20 and 80
80 and 20
50 and 50
60 and 40

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Refractory Technology
Fireclay bricks are never used in the

Lead blast furnace
Beehive oven
Zinc roaster
Coke oven walls

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Refractory Technology
The main raw material for manufacture of silicon carbide refractories is

Bauxite
Periclase
Carborundum
Corrundum

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Refractory Technology
Chrome magnesite brick is not used for lining the

Burning zone of limestone rotary kilns
Hearth of soaking pits
Bottom hearth of reheating furnace
Coke oven regenerator

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