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Cracks may be generated due to the firing of liners used in the crucible furnaces.

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in Casting-Forming-Welding II by (119k points)
Cracks may be generated due to the firing of liners used in the crucible furnaces.

(a) True

(b) False

The question was posed to me in semester exam.

This is a very interesting question from Crucible Furnaces topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II

1 Answer

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Right choice is (a) True

Easy explanation: When the ramming of liners is done, they usually wrapped in plastic tightly and then after some time, they are fired gradually. It is very important to maintain the dryness of the refractory material used for liners because it may trap moisture inside it. When this liner is fired, there are chances of generating cracks in the liners.

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