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

  • question_answer                             A circular solid shaft is subjected to a bending of 400 kN.m and a twisting moment of 300 kN.m. On the basis of the maximum principal stress theory the direct stress is o- and according to the maximum shear stress theory, the shear stress is t The ratio \[\sigma /t\] is

    A) \[\frac{1}{5}\]                          

    B) \[\frac{3}{4}\]

    C) \[\frac{9}{5}\]                          

    D) \[\frac{11}{6}\]

    Correct Answer: C

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