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

  • question_answer A horizontal beam with square cross-section is simply supported with sides of the square horizontal and vertical and carries a distributed loading that produces maximum bending stress \[\sigma \] in the beam. When the beam is placed with one of the diagonals horizontal the maximum bending stress will be:

    A) \[\frac{1}{\sqrt{2}}\sigma \]                   

    B) \[\sigma \]

    C) \[\sqrt{2\sigma }\]                      

    D) \[2\sigma \]

    Correct Answer: C

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