Chemical Engineering > GATE 2012 > Convection
If the Nusselt number (Nu) for heat transfer in a pipe varies with Reynolds number (Re) as Nu∝Re0.8, then for constant average velocity in the pipe, the heat transfer coefficient varies with the pipe diameter D as
A
D-1.8
B
D-0.2
C
D0.2
D
D1.8

Correct : b

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Related Topics

Nusselt number heat transfer heat transfer pipe GATE Chemical Engineering 2012 chemical engineering gate Reynolds number heat transfer coefficient pipe GATE 2012 chemical pipe diameter heat transfer

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