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Refractory Technology

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

Soaking pit
Blastfurnace
L.D. converter
Coke ovens

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Refractory Technology
Which is a neutral refractory?

Silica
Graphite
Magnesite chrome
Magnesia

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Refractory Technology
Magnesite bricks have poor resistance to attack by __________ slag.

Basic
None of these
Acid
Lime

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Refractory Technology
Which of the following bricks has the most close values of RUL and PCE?

Tar dolomite bricks
High alumina bricks
Fireclay bricks
Silica bricks

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Refractory Technology
Which of the following has the lowest electrical resistivity?

Graphite
Zircon
Alumina
Fireclay

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Refractory Technology
Highest melting (m.p = 3070°C) oxide refractory is

Zirconia
Magnesia
Thoria
Alumina

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