failure theories

Which one of the following failure theories is the most conservative design approach against fatigue failure?

Which one of the following failure theories is the most conservative design approach against fatigue failure?

Assuming the material considered in each statement is homogeneous, isotropic, linear elastic, and the deformations are in the elastic range, which one or more of the following stat...

The principal stresses at a point in a critical section of a machine component are $${\sigma _1} = 60\,\,MPa,\,\,{\sigma _2} = 5\,\,MPa$$ and $${\sigma _3} = - 40\,\,MPa.$$ For the...

Which one of the following is NOT correct?

A solid circular shaft of diameter $$d$$ is subjected to a combined bending moment, $$M$$ and torque, $$T.$$ The material property to be used for designing the shaft using the rela...

A small element at the critical section of a component in bi-axial state of stress with the two principal stresses being $$360$$ $$MPa$$ and $$140$$ $$MPa.$$ The maximum working st...

In the design of shafts made of ductile materials subjected to twisting moment and bending moment, the recommended theory of failure is