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

  • question_answer Cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that:

    A) It is subjected to a higher stress flan the outer side

    B) it is subjected to a higher cyclic loading than the outer side

    C) It is more stretched than the outer side during the manufacturing process

    D) It has a lower curvature than the outer side

    Correct Answer: D

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