Railways NTPC (Technical Ability) Engineering Mechanics and Strength of Materials Question Bank Engineering Mechanics

  • question_answer
    In the EOQ model, if the unit ordering cost is doubled, the EOQ

    A) Is halved                                  

    B) Is doubled                              

    C) Increase 1.414 times                   

    D) Decrease 1.414 times.    

    Correct Answer: C

    Solution :

    \[{{Q}^{*}}=\sqrt{\frac{2D{{C}_{0}}}{{{C}_{c}}}}\] \[{{Q}^{*}}\propto \sqrt{{{C}_{0}}}\] \[\frac{Q_{2}^{*}}{Q_{1}^{*}}=\sqrt{\frac{{{C}_{02}}}{{{C}_{01}}}}=\sqrt{\frac{1}{2}}=1.4.14\]


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