Chemical Engineering :: Refractory Technology
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Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent.
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Fireclay bricks are never used in the
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With increasing alumina content, the fusion point of high alumina refractories
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Chrome magnesite bricks are used in the
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Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm2.
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Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity).
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Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage ?
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Alumina-graphite bricks are used for lining the
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Spalling resistance of a refractory can not be increased by
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Fireclay refractories have
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