Page No. 267
Mixing of ground refractory material and water is done in a ______________ mill?
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With increase in the density of silica refractories, its_______________?
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‘Spinel’, a refractory mineral is chemically represented as____________________?
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SiO2 percentage in firebrick is about____________________?
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Which of the following impurities reduces the refractoriness of magnesite bricks ?
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Semi-silica bricks compared to silica bricks have_______________?
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Chrome magnesite brick is not used for lining the___________________?
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