With regard to the relative flow patterns through the tubes and the shell of single pass shell-and-tube heat exchangers, what statement is true?

Question

Accepted Answer

In a counterflow heat exchanger, the flow through the tubes and the flow through the shell are in opposite directions.

Answer

In a counterflow heat exchanger, the flow through the tubes and the flow through the shell are in the same direction.

Answer

In a crossflow heat exchanger, the flow through the tubes and the flow through the shell are in opposite directions.

Answer

In a parallel-flow heat exchanger, the flow through the tubes and the flow through the shell are in opposite directions.

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