Heat Transfer

In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be_____.

  • A. Less than 45°C
  • B. More than 45°C
  • C. Equal to 45°C
  • D. Initially decreases and remains constant thereafter
Answer: Option B.

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