If in a double pipe heat exchanger, we require to have a constant wall temperature, we use it in a counter-flow direction.

If in a double pipe heat exchanger, we require to have a constant wal

1.	If in a double pipe heat exchanger, we require to have a constant wall temperature, we use it in a counter-flow direction.
A.	True
B.	False
Answer» C.

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If in a double pipe heat exchanger, we require to have a constant wall temperature, we use it in a counter-flow direction.

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