Railways Technical Ability Production Engineering and Planning Question Bank Production Planning

  • question_answer Several sequencing rules can be used to sequence jobs. The performance of these rules can be studied using several performance measures. Consider the following sequencing rules: SPT (Shortest Processing Time)EDD (Expected Due Date)and the following performance measures:
    MFT (Mean Flow Time)
    ML (Mean Lateness)
    Which one of the following is not correct?

    A) SPT minimizes MFT

    B) EDD minimizes MFT

    C) EDD minimizes ML

    D) SPT minimizes ML

    Correct Answer: D


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