If the reading on the pitch scale crossed by the head scale is P.S.R, – InterviewSolution

1.	If the reading on the pitch scale crossed by the head scale is P.S.R, the head scale division that coincides with the pitch scale axis be H.S.C and the zero correction is Z.C, then what is the formula to find the diameter of the wire?
Answer» If the reading on the pitch scale crossed by the head scale is P.S.R, the head scale division that coincides with the pitch scale axis be H.S.C and the zero correction is Z.C, then what is the formula to find the diameter of the wire?

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