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

  • question_answer Permissible bending moment in a circular shaft under pure bending is M according to maximum principal stress theory of failure. According to maximum shear stress theory of failure, the permissible bending moment in the same shaft is:

    A) 1/2M                

    B) M

    C) \[\sqrt{M}\]                   

    D) 2M

    Correct Answer: B

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