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

  • question_answer If a shaft made from ductile material is subjected to combined bending and twisting moments, calculation based on which one of the following failure theories would give the most conservative value?   

    A) Maximum principal stress theory      

    B) Maximum shear stress theory        

    C) Maximum strain energy theory       

    D) Maximum distortion energy theory

    Correct Answer: B

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