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Refractory Technology

Refractory Technology
Periclase refractory contains mainly

Al2O₃
CaO
MgO
SiO₂

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Refractory Technology
Refractories are dried in the

Tunnel kilns
Sun
Rotary kilns
None of these

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Refractory Technology
Colour of fireclay bricks is

Black
None of these
Light buff to reddish buff
Yellow

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Refractory Technology
Bottom of basic open hearth furnace are constructed of

Silicon carbide bricks
Semi-silica bricks
Dead burnt magnesite ramming mass
Porous fireclay bricks

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Refractory Technology
Mixing of ground refractory material and water is done in a __________ mill.

Tube
Rod
Pug
Ball

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Refractory Technology
Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage?

Magnesite bricks
Mullite bricks
Fireclay bricks
Tar bonded dolomite bricks

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MORE MCQ ON Refractory Technology

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