nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqmh5a6mhm4u78glqxhltq7uexv6kddphycthlguvn0ux8ch72tc8qsf8cpz Easy enough for anyone with a basic engineering education. A better question would be: under what conditions would a co-flow exchanger be preferred over a counterflow?

What's the answer?

Intresting test. First of all I do not want the job. But I would assume it is the first one. Since the hottest air hits the coldest water, which leads to the biggest temperature delta and therefore transfers more energy.