Discussion :: Refractory Technology
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Pick out the wrong statement.
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A.
Refractories used in muffle furnace should have low thermal conductivity.
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B.
The electrical resistivity of refractories drops rapidly with rise in temperature.
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C.
For reducing spalling tendency, the refractory should be well fired and its porosity should be more.
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D.
Refractoriness under load (RUL) of a refractory is always less than its refractoriness.
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Answer : Option A
Explanation :
No answer description available for this question.
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