Temperature difference for safe designing of heat exchangers - Heat Transfer

Q.  Which of the following temperature difference is safer than other to consider in designing of heat exchangers?
- Published on 12 Aug 15

a. Arithmetic Mean Temperature Difference (ΔTam)
b. Logarithmic Mean Temperature Difference (LMTD)
c. Both have nothing to do with safety
d. Other

ANSWER: Logarithmic Mean Temperature Difference (LMTD)

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