Which one of following is NOT correct?
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Intermediate principal stress is ignored when applying the maximum principal stress theory.
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The maximum shear stress theory gives the most accurate results amongst all the failure theories.
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As per the maximum strain energy theory, failure occurs when the strain energy per unit volume exceeds a critical value.
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As per the maximum distortion energy theory, failure occurs when the distortion energy per unit volume exceeds a critical value.
(A) In maximum principle stress theory, when the value of maximum principle stress is equal to that of yield point stress as found in a simple tensile test in which we don’t consider intermediate principle stress. (B) Maximum shear stress theory is well justified for ductile matarial because ductile material mostly fails by shear failure. (C) Maximum strain energy over estimate the elastic strength of ductile matarial. (D) As per maximum distortion energy theory, failure occurs when the distortion energy per unit volume exceeds a critical value.