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

MCQOPTIONS

1.	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» E.

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