Milk enters into the heating section of a high temperature short time (HTST) pa

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Milk enters into the heating section of a high temperature short time (HTST) pasteurization plant at a temperature of 45ºC and leaves at 72ºC. Hot water at temperature of 95 ºC enters countercurrently into the heat exchanger and leaves at 77ºC. The effectiveness of the heat exchanger is

Options:

A . 0.18

B . 0.36

C . 0.54

D . 0.84

Answer: Option C

-NA-

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