In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)<sup>0.8</sup>. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

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Ram Sharma • 188.81K Points
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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 answer : Option (B) - 1

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