The mass transfer co-efficient for a solid sphere of radius ‘a’ di – McqOptions

MCQOPTIONS

1.	The mass transfer co-efficient for a solid sphere of radius ‘a’ dissolving in a large volume of quiescent liquid, in which „D’ is the diffusivity of solute, is _____________________?
A.	D/a
B.	D/2a
C.	Proportional to √D
D.	Dependent on the Reynolds number
Answer» E.

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