In a 1-1 cocurrent heat exchanger if the tube side fluid...

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In a 1-1 cocurrent heat exchanger, if the tube side fluid outlet temperature is equal to the shell side fluid outlet temperature, then the LMTD is

A. ∞

B. 0

C. Equal to the difference between hot and cold fluids inlet temperature

D. Equal to the difference between hot fluid inlet temperature and cold fluid outlet temperature

Answer: Option B

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