Railways Technical Ability Metrology and Inspection Question Bank Metrology and Inspection

  • question_answer Which one of the following statements is not correct?

    A) The operating characteristic curve of an acceptance sampling plan shows the ability of the plan to distinguish between good and bad lots

    B) No sampling plan can give complete protection against the acceptance of defective products

    C) C chart has straight line limits and U chart has zig-zag limits

    D) Double sampling result in more inspection than single sampling if the incoming quality is very bad.

    Correct Answer: C


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