Irregular streamlines that change over time describe:
ATurbulent flow
BTolerant flow
CTorrent floor
DTerminal floor
Answer & Solution
Correct answer: A. Turbulent flow
1. Parts of the fluid mix and swirl.
2. Whirlpool like regions appear.
3. That is turbulent flow.
_Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._
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