EXAMIANS
Which is not a high alumina refractory?
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Periclase refractory contains mainly
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PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C.
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Maximum apparent porosity of magnesite bricks is about __________ percent.
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Cold crushing strength of refractories depends upon its
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In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours.
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Spalling resistance of a refractory can not be increased by
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Which is a basic refractory?
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Firing temperature of magnesite bricks is about __________ °C.
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Lower part of hot metal mixer are lined with __________ bricks.
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