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For the venting process, the casting yield is generally high with the overflow system in the mould.

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in Casting-Forming-Welding I by (687k points)
For the venting process, the casting yield is generally high with the overflow system in the mould.

(a) True

(b) False

This question was addressed to me in quiz.

This key question is from Venting of Moulds in division Mold and Mold Making of Casting-Forming-Welding I

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Best answer
Correct choice is (b) False

The best explanation: An overflow system includes extra material or metal which is wasted after every shot, overflow cutting operation and additional space requirements. This decreases the material or casting yield in the production of casting components. This further increase the cost involved in material handling.

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