Multiple choice

The logarithmic mean temperature difference (LMTD) of a counter flow heat exchanger is 200C. The cold fluid enters at 200C and the hot fluid enters at 1000C. Mass flow rate of the cold fluid is twice that of the hot fluid. Specific heat at constant pressure of the hot fluid is twice that of the cold fluid. The exit temperature of the cold fluid is

  1. 400C

  2. 600C

  3. 800C

  4. can't be determined
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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