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

  • question_answer Circumferential stress in a cylindrical steel boiler shell under internal pressure is 80 MPa, Young's modulus of elasticity and Poisson's ratio are respectively \[2\times {{10}^{5}}\] MPa and 0.28. The magnitude of circumferential strain in the boiler shell will be

    A) \[3.44\times {{10}^{-\,4}}\]                  

    B) \[3.84\times {{10}^{-\,4}}\]

    C) \[4\times {{10}^{-\,4}}\]                      

    D) \[4.56\times {{10}^{-\,4}}\]

    Correct Answer: A

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