What is the expression for the laminar film thickness of the condensa – McqOptions

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1.	What is the expression for the laminar film thickness of the condensate at a distance of x from the top of the condenser?
A.	δ=[4K(Tsat – TL)μ x)/(ρ ghfg)]1/2
B.	δ=[4K(Tsat – TL)μ x)/(ρ ghfg)]1/4
C.	δ=[4K(Tsat – TL)μ x)/(ρ ghfg)]1/8
D.	δ=[K(Tsat – TL)μ x)/(ρ ghfg)]1/4
Answer» C. δ=[4K(Tsat – TL)μ x)/(ρ ghfg)]1/8

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