Page No. 265
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Magnesite bricks are used in those parts of furnaces, which are __________________?
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Fireclay bricks are never used in the______________?
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Resistance to slag attack of a refractory _____________________?
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Which is not an alumino-silicate refractory ?
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An indication of degree of firing in silica brick is its____________________?
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Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage ?
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Refractories are dried in the _______________?
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Electrical resistor bars are made of _______________?
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Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
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