A Drive Shaft Resists Torsional Shear Stress of 45 MPa $\left(\sigma_{1} / \sigma_{2}\right)$

question 32

Multiple Choice

A drive shaft resists torsional shear stress of 45 MPa and axial com- pressive stress of 100 MPa. The ratio of the magnitudes of the principal $\left(\sigma_{1} / \sigma_{2}\right)$ approximately:

• A) 0.15
• B) 0.55
• C) 1.2
• D) 1.9

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Definitions:

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