 
			 
			MCQOPTIONS
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				| 1. | For the biaxial plane stress condition, the von Mises yield criteria can be expressed as ___________Given that principal stresses are 1, 2, 3 where 2=0 and yield stress is o. | 
| A. | <sub>1</sub>+ <sub>3</sub> = <sub>o</sub> | 
| B. | <sub>1</sub><sup>2</sup>+ <sub>3</sub><sup>2</sup> <sub>1</sub> <sub>3</sub> = <sub>o</sub><sup>2</sup> | 
| C. | <sub>1</sub>+ <sub>3</sub> <sub>1</sub> <sub>3</sub> = <sub>o</sub><sup>2</sup> | 
| D. | <sub>1</sub>+ <sub>3</sub> <sub>1</sub> <sub>3</sub> = <sub>o</sub> | 
| Answer» C. <sub>1</sub>+ <sub>3</sub> <sub>1</sub> <sub>3</sub> = <sub>o</sub><sup>2</sup> | |