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Silicon carbide can be used as a liner for the crucible furnaces.

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in Casting-Forming-Welding II by (119k points)
Silicon carbide can be used as a liner for the crucible furnaces.

(a) True

(b) False

The question was asked during an interview for a job.

This intriguing question originated from Crucible Furnaces topic in division Metal Furnace and Practice of Casting-Forming-Welding II

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Correct option is (a) True

To explain I would say: The liners used in the crucible furnaces mainly are casted bricks which are mostly made by using the silicon carbide. Alumina ceramic can also be used as a liner, or sometimes high temperature refractory materials like clay or cement are used as liners which are rammed on the crucible furnaces.

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