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Venting is a process which allows molten metal to compensate for its liquid and solidification shrinkage.

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in Casting-Forming-Welding I by (687k points)
Venting is a process which allows molten metal to compensate for its liquid and solidification shrinkage.

(a) True

(b) False

This question was posed to me at a job interview.

The query is from Venting of Moulds in division Mold and Mold Making of Casting-Forming-Welding I

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Correct choice is (b) False

Explanation: The compensation for liquid and solidification shrinkage of the molten casting is basically done by setting up risers in the casting system. Venting is a process which allows the escaping of gases from the molten metal during the solidification. For the venting process, a vent is provided in the casting system through which gases escape out.

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