EXAMIANS
Dilatometer is used for the determination of __________ of refractories.
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Silica bricks are never used for lining the
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An indication of degree of firing in silica brick is its
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Cold crushing strength of fireclay bricks is about __________ kgf/cm².
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Porosity of silica bricks varies from __________ percent.
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Highest melting (m.p = 3070°C) oxide refractory is
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Mixing of ground refractory material and water is done in a __________ mill.
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Periclase refractory contains mainly
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Addition of zircon to silica refractory brick improves its
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Permeability of bricks is a measure of the
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