Value of Nusselt number left( text Nu = frac text hD...

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Value of Nusselt number $$\left( {{\text{Nu}} = \frac{{{\text{hD}}}}{{\text{k}}}} \right)$$ for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is

A. 0.5

B. 2

C. 10

D. 100

Answer: Option B

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