The inside heat transfer co-efficient in case of turbulent flow of...

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The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8.

A. 2^0.8

B. 4^0.8

C. 4^0.4

D. 2^0.4

Answer: Option B

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