Log mean temperature difference (LMTD) cannot be used, if

Question: Log mean temperature difference (LMTD) cannot be used, if
[A].

heat transfer co-efficient over the entire heat exchanger is not constant.

[B].

there exists an unsteady state.

[C].

the heat capacity is not constant and there is a phase change.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.