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Discussion :: Heat and Mass Transfer

  1. Log mean temperature difference in case of counter flow compared to parallel flow will be

    2. A.

     Same
    B.

     More
    C.

     Less
    D.

     Depends on other factors

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    Answer : Option B

    Explanation :

    The larger the LMTD more heat is transferred.
    In parallel flow heat exchangers both hot fluid and cold fluid flow in same direction. Counter flow heat exchanger: In counter flow heat exchangers both hot fluid and cold fluid flow in opposite direction.

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