For the same inlet and exit temperatures of the hot and

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For the same inlet and exit temperatures of the hot and cold fluids, the log mean temperature difference (LMTD) is

1. Greater for parallel flow heat exchanger than the counter flow heat exchanger
2. Greater for counter flow heat exchanger than the parallel and cross flow heat exchanger
3. Same for both parallel and counter flow heat exchangers
4. Depending on the properties of fluid

Correct Option: B

NA