Railways Technical Ability Engineering Mechanics and Strength of Materials Question Bank Strength of Materials

  • question_answer If the area of cross-section of a wire is circular and if the radius of this circle decreases to half its original value due to the stretch of the wire by a load, then the modulus of elasticity of the wire will be:

    A) One-fourth of its original value

    B) Halved

    C) Doubled

    D) Unaffected

    Correct Answer: D

    Solution :

    Modulus of elasticity of wire does not depend on wire diameter.


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