A draft allowance is provided to ___________(a) All linear faces(b) Only the interior dimensions(c) Only the exterior dimensions(d) Only the dimensions that are perpendicular to the parting planeI got this question by my school teacher while I was bunking the class.The above asked question is from Difference between Pattern and Casting in division Pattern and Pattern Making of Casting-Forming-Welding I

A draft allowance is provided to ___________(a) All linear faces(b) On

1.	A draft allowance is provided to ___________(a) All linear faces(b) Only the interior dimensions(c) Only the exterior dimensions(d) Only the dimensions that are perpendicular to the parting planeI got this question by my school teacher while I was bunking the class.The above asked question is from Difference between Pattern and Casting in division Pattern and Pattern Making of Casting-Forming-Welding I
Answer» The CORRECT choice is (d) Only the dimensions that are perpendicular to the parting plane Easiest explanation: The DRAFT allowance is USED for those dimensions which are perpendicular to the parting plane, to give out a TAPERED FACE which is machined later.

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