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The following diagram shows the application of which of the allowances given to a pattern?

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in Casting-Forming-Welding I by (687k points)
The following diagram shows the application of which of the allowances given to a pattern?

(a) Shrinkage allowance

(b) Draft allowance

(c) Shake allowance

(d) Distortion allowance

This question was addressed to me in my homework.

This intriguing question comes from Difference between Pattern and Casting in chapter Pattern and Pattern Making of Casting-Forming-Welding I

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Correct answer is (b) Draft allowance

Explanation: Draft allowance is given so as to ease the removal of casting from the pattern without damaging the pattern. Hence, tapering the vertical faces with some draft allowance is provided which is machined later.

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