Page No. 268
_____________ is not a single oxide-refractory?
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High alumina refractories are used in the ___________________?
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Thermal spalling mainly occurs during _____________ of furnaces?
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Which is the stable form of silica upto 1470°C ?
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Zircon refractories have__________________?
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Chromite refractories_____________________?
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_____________ nozzles are used in continuous casting of steel?
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Which one expands on heating ?
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Ferromagnetic ceramic material is not used in the__________________?
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