R

Ram Sharma • 193.86K Points
Coach 

Q. 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
Correct : Option (B)

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