In a shell and tube heat exchanger, the overall heat transfer co-effic – McqOptions

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1.	In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)^0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to
A.	∞
B.	1
C.	20.8
D.	2
Answer» C. 20.8

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