Heat Transfer
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.

None of the listed here
highly turbulent
laminar
transition

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Heat Transfer
If Prandtl number is greater than the Schmidt number, then the

none of the listed here
concentration boundary layer lies inside the thermal boundary layer
thermal boundary layer lies inside the concentration boundary layer
thermal & concentration boundary layers are of equal thickness

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