MCQOPTIONS
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MCQOPTIONS
| 1. |
The velocity field in a fluid flow is represented by\(\vec V = 3x{y^2}\vec i + 2xy\vec j + \left( {2zy + 3t} \right)\vec k\)The rotational velocity of a fluid element at a point P(1, 2, 1) and at time t = 3 is: |
| A. | \(\vec i - 4\vec j + 4\vec k\) |
| B. | \(\vec i - \vec 4k\) |
| C. | \(\vec i + \vec 4k\) |
| D. | \(\vec i + \vec 4j + \vec 4k\) |
| Answer» C. \(\vec i + \vec 4k\) | |