MCQOPTIONS
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MCQOPTIONS
| 1. |
A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses 1 and 2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________ |
| A. | ( <sub>1</sub><sup>2</sup> + <sub>2</sub><sup>2</sup> 2 <sub>1</sub> <sub>2</sub> ) / 2E |
| B. | ( <sub>1</sub><sup>2</sup> + <sub>2</sub><sup>2</sup> + 2 <sub>1</sub> <sub>2</sub> ) / 2E |
| C. | ( <sub>1</sub><sup>2</sup> <sub>2</sub><sup>2</sup> 2 <sub>1</sub> <sub>2</sub> ) / 2E |
| D. | ( <sub>1</sub><sup>2</sup> <sub>2</sub><sup>2</sup> 2 <sub>1</sub> <sub>2</sub> ) / 2E |
| Answer» B. ( <sub>1</sub><sup>2</sup> + <sub>2</sub><sup>2</sup> + 2 <sub>1</sub> <sub>2</sub> ) / 2E | |