Which of the following statements is true?1. P and nP charts cannot use limit gauges 2. P charts are difficult to understand3. P charts cannot recognize different degrees of defectiveness in units

Which of the following statements is true?1. P and nP charts cannot us

1.	Which of the following statements is true?1. P and nP charts cannot use limit gauges 2. P charts are difficult to understand3. P charts cannot recognize different degrees of defectiveness in units
A.	Only 1
B.	Only 2
C.	Only 3
D.	All the statements are true
Answer» D. All the statements are true

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Which of the following statements is true?1. P and nP charts cannot use limit gauges 2. P charts are difficult to understand3. P charts cannot recognize different degrees of defectiveness in units

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