If one of the two fluids flowing through a heat exchanger of NTU = 2 r – McqOptions

MCQOPTIONS

1.	If one of the two fluids flowing through a heat exchanger of NTU = 2 remains at constant temperature throughout the exchanger length, the effectiveness of the heat exchanger will be
A.	1 – e-4
B.	1 – e-2
C.	\(\dfrac{{1 - {e^{ - 2}}}}{2}\)
D.	\(\dfrac{{1 - {e^2}}}{2}\)
Answer» C. \(\dfrac{{1 - {e^{ - 2}}}}{2}\)

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