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Which of the following is not a raw material for making a crucible?(a) Clay(b) Wax(c) Graphite(d) Silicon carbideThe question was asked in examination.I would like to ask this question from Crucibles in portion Metal Furnace and Practice of Casting-Forming-Welding II

Answer»

Right ANSWER is (b) Wax

Explanation: For MAKING a crucible, various types of clays are used, carbon in the form of graphite is used, since, graphite has a higher MELTING point and ALSO silicon carbide is used, but not wax.



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