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

  • question_answer
    If Poisson's ratio for a material is 0.5, then the elastic modulus for the material is:

    A) Three times its shear modulus

    B) Four times its shear modulus

    C) Equal to its shear modulus

    D) Indeterminate.

    Correct Answer: D

    Solution :

    \[G=\frac{E}{2(1+v)}=\frac{E}{2(1+0.5)}=\frac{E}{3}\] Or E = 3G


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