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For the state of stress (in ksi) shown below: (a) Draw and label the properly oriented...

For the state of stress (in ksi) shown below: (a) Draw and label the properly oriented principal stress element. (b) Sketch the properly oriented stress element feeling the maximum in-plane shear stress. (c) Compute a range of values for the orientation of the weld seam, , such that the nomal stress on the weld plane is compressive.

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