1.

The major principal stresses produced on diagonal plane is expressed as __________

A. f<sub>x</sub> + f<sub>y</sub>/2
B. f<sub>x</sub> + f<sub>y</sub>/2 1/2 ((f<sub>x</sub> f<sub>y</sub>)<sup>2</sup> + 4 <sub>v</sub><sup>2</sup>)<sup>1/2</sup>
C. f<sub>x</sub> + f<sub>y</sub>/2 + 1/2 ((f<sub>x</sub> f<sub>y</sub>)<sup>2</sup> + 4 <sub>v</sub><sup>2</sup>)<sup>1/2</sup>
D. f<sub>x</sub> f<sub>y</sub>/2
Answer» C. f<sub>x</sub> + f<sub>y</sub>/2 + 1/2 ((f<sub>x</sub> f<sub>y</sub>)<sup>2</sup> + 4 <sub>v</sub><sup>2</sup>)<sup>1/2</sup>


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