In what flow pattern do the two materials enter the exchanger at separate ends and flow against each other in a counter flow?
A) Parallel
B) Cross flow
C) Counter flow
D) Exchange flow
Answer: C
Explanation: A) Incorrect. Both materials flow in the same direction in a parallel flow.
B) Incorrect. The two materials flow through the exchanger perpendicular to each other in a cross flow.
C) Correct. The two materials enter the exchanger at separate ends and flow against each other in a counter flow.
D) Incorrect. Both materials flow in the same direction in a parallel flow.
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