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

  • question_answer For a cantilever beam of length 'L' flexural rigidity El and loaded at its free end by a concentrated load 'M' match list-I with list-II and select the correct answer:
    List-I List-II
    A. maximum bending moment 1. WL
    B. Strain energy              2. \[\text{W}{{\text{L}}^{\text{2}}}\text{/2EI}\]
    C. Maximum slope           3. \[\text{W}{{\text{L}}^{3}}\text{/2EI}\]
    D. Maximum deflection        4. \[{{\text{W}}^{2}}{{\text{L}}^{2}}\text{/6EI}\]
    Codes:  

    A) A\[\to \]1, B\[\to \]4, C\[\to \]3, D\[\to \]2

    B) A\[\to \]1, B\[\to \]4, C\[\to \]2, D\[\to \]3

    C) A\[\to \]4, B\[\to \]2, C\[\to \]1, D\[\to \]3

    D) A\[\to \]4, B\[\to \]2, C\[\to \]1, D\[\to \]2

    Correct Answer: B


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