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

  • question_answer
    The maximum shear occurs on the outermost fibres of a circular shaft under torsion. In a close coiled helical spring, the maximum shear stress occurs on the:

    A) Outermost fibres

    B) Fibres at mean diameter

    C) Innermost fibres

    D) End coils

    Correct Answer: C

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