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In vacuum treatment of molten metal, temperature of the melt can be decreased.

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in Casting-Forming-Welding II by (119k points)
In vacuum treatment of molten metal, temperature of the melt can be decreased.

(a) True

(b) False

I got this question by my college director while I was bunking the class.

This interesting question is from Methods and Materials for Degassing topic in division Foundry Introduction & Materials of Casting-Forming-Welding II

1 Answer

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by (701k points)
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Correct choice is (a) True

The best I can explain: Temperature of melt decreases during the vacuum treatment of molten metal. This is basically caused by exposing of more surface area to the vacuum chamber. To maintain the heat from the molten metal additional heating of the metal is usually done to compensate for the loss of heat.

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