A streamline is a line in flow field _________________?
Correct answer: C. Such that at every point on it, the velocity is tangential to it
- A. That is traced by all the fluid particles passing through a given point
- B. Along which a fluid particle travels
- C. Such that at every point on it, the velocity is tangential to it
- D. None of these
Explanation
A streamline is defined so that the local fluid velocity is tangent to it at every point. It is not necessarily the actual path of one particle unless the flow is steady.
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