What is the expression for the flow velocity of the falling film in a – McqOptions

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1.	What is the expression for the flow velocity of the falling film in a vertical condenser?
A.	U= ( frac{ rho}{ mu}g( delta- frac{y^2}{2}) )
B.	U= ( rho g( delta y - frac{y^2}{2}) )
C.	U= ( frac{ rho}{ mu}g( delta y-y^2) )
D.	U= ( frac{ rho}{ mu}g( delta y- frac{y^2}{2}) )
Answer» E.

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