In the following shell and tube setup as shown, recognise the number of Concurrent and Counter-current interactions.

In the following shell and tube setup as shown, recognise the number of Concurrent and Counter-current interactions. Correct Answer 3 concurrent and 3 counter current

In the setup shown above, we observe alternate concurrent and counter current flow regimes. Looking at the region THA to Ti, there is a single Concurrent and Counter-current interaction, as there are total 3 interaction areas, we get alternating 3 concurrent and 3 counter current flow patterns. AB – Counter-current BC – Con-current CD – Counter-current DE – Con-current EF – Counter-current FG – Con-current.
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