![Film coefficient is defined as Inside diameter of tube](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Film-coefficient-is-defined-as-Inside-diameter-of-tube.png)
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