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Refractory Technology

Refractory Technology
Porosity of fireclay refractories is __________ percent.

25-35
44129
43961
35-50

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Refractory Technology
Periclase refractory contains mainly

SiO₂
CaO
Al2O₃
MgO

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Refractory Technology
Periclase is

Amorphous magnesite
ZrSO₄
Crystalline form of MgO
MgCO₃

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Refractory Technology
An indication of degree of firing in silica brick is its

None of these
Specific gravity
RUL
Fusion point

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Refractory Technology
Chrome magnesite brick is not used for lining the

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

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

Blastfurnace
Soaking pit
Coke ovens
L.D. converter

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