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Which of the following parts is used to keep the casting in for reducing the finishing allowance?

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in Casting-Forming-Welding I by (687k points)
Which of the following parts is used to keep the casting in for reducing the finishing allowance?

(a) Centrifuge

(b) Burette

(c) Drag flask

(d) Conical flask

This question was posed to me during an online interview.

This interesting question is from Finishing Patterns & Storing of Patterns topic in division Pattern and Pattern Making of Casting-Forming-Welding I

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The correct answer is (c) Drag flask

The explanation: In finishing allowance, the entire casting is put in the drag flask to reduce the finishing allowance such that the dimensional variation and other defects due to the parting plane are reduced to a minimum. This part is widely used in the casting process to make the casting economical and sustainable.

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