Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone.

1.

Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone.

[A].	laminar
[B].	transition
[C].	both 'a' & 'b'
[D].	highly turbulent

Answer: Option D

Explanation:

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