MCQOPTIONS
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MCQOPTIONS
| 1. |
In Cartesian coordinates the heat conduction equation is given by |
| A. | d<sup>2</sup>t/dx<sup>2 </sup>+ d<sup>2</sup>t/dy<sup>2</sup> + d<sup>2</sup>t/dz<sup>2</sup> + q <sub>g </sub>= (1/α) (d t/d T) |
| B. | 2d<sup>2</sup>t/dx<sup>2 </sup>+ d<sup>2</sup>t/dy<sup>2</sup> + d<sup>2</sup>t/dz<sup>2</sup> + 34q <sub>g </sub>= (d t/d T) |
| C. | d<sup>2</sup>t/dx<sup>2 </sup>+ 3d<sup>2</sup>t/dy<sup>2</sup> + d<sup>2</sup>t/dz<sup>2</sup><sub> </sub>= (1/α) (d t/d T) |
| D. | 4d<sup>2</sup>t/dx<sup>2 </sup>+ d<sup>2</sup>t/dy<sup>2</sup> + d<sup>2</sup>t/dz<sup>2</sup> + 1/2q <sub>g </sub>= (1/α) (d t/d T) |
| Answer» B. 2d<sup>2</sup>t/dx<sup>2 </sup>+ d<sup>2</sup>t/dy<sup>2</sup> + d<sup>2</sup>t/dz<sup>2</sup> + 34q <sub>g </sub>= (d t/d T) | |