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For finishing allowance, great care is taken while adding extra material to the molten metal.

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in Casting-Forming-Welding I by (687k points)
For finishing allowance, great care is taken while adding extra material to the molten metal.

(a) True

(b) False

The question was asked in an online interview.

Asked question is from Finishing Patterns & Storing of Patterns in section Pattern and Pattern Making of Casting-Forming-Welding I

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Right option is (a) True

To explain I would say: After extraction of casting from the mould cavity, the finishing allowance provided would ultimately have to be removed by machining. Hence, great care is taken while adding extra material as to maintain the cost of material. So it is always examined before finalizing for the production of casting.

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