In how many categories heat exchangers are classified on the basis of direction of flow of fluids? Options: A . &nbsp4 categories B . &nbsp3 categories C . &nbsp2 categories D . &nbsp1 categories

In how many categories heat exchangers are classified on the basis of direction

Question

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

Options:

A . 4 categories

B . 3 categories

C . 2 categories

D . 1 categories

Answer: Option B
Answer: (b).3 categories

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