Film coefficient is defined as Inside diameter of tube

Q. Film coefficient is defined as Inside diameter of tube

A.            Equivalent thickness of film

B.            Thermal conductivity Equivalent thickness of film Specific heat x Viscocity

C.            Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity

D.            Film coefficient x Inside diameter Thermalconductivity

Answer: Thermal conductivity Equivalent thickness of film Specific heat x Viscocity

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