Which of the following is periodic pitch error? – McqOptions

MCQOPTIONS

1.	Which of the following is periodic pitch error?
A.	Successive portion of thread is longer than the mean
B.	Successive portion of thread is shorter than the mean
C.	Successive portion of thread is longer or shorter than the mean
D.	Successive portion of thread is neither longer nor shorter than the mean
Answer» D. Successive portion of thread is neither longer nor shorter than the mean

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