Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 5 (Q.No. 27)
27.
According to Rankine's theory, the failure occurs at a point in a member
when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in a simple tension test
when the maximum principal stress in a bi-axial stress system reaches the elastic limit of the material in a simple tension test
when the strain energy per unit volume in a bi-axial stress system reaches the strain energy at the elastic limit per unit volume as determined from a simple tension test
when the maximum principal strain in a bi-axial stress system reaches the strain at the elastic limit as determined from a simple tension test
Answer: Option
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