JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by

JD factor for mass transfer is a function of Reynolds number. Mass t

1.	JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by
A.	Nsh = 2
B.	Nst = 2
C.	Nsc = 2
D.	None of these
Answer» B. Nst = 2

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JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by

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