In a counter flow heat exchanger, hot fluid enters at 170 C & leaves a – McqOptions

MCQOPTIONS

1.	In a counter flow heat exchanger, hot fluid enters at 170 C & leaves at 150 C, while the cold fluid enters at 50 C & leaves at 70 C. The arithmetic mean temperature difference in this case is __________ C.
A.	20
B.	60
C.	120
D.
Answer» E.

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