Film coefficient is defined as the ratio of

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RRB Paper · Accepted Answer

Film coefficient or heat transfer coefficient (h) is defined as the ratio of thermal conductivity of the material to the equivalent thickness of the film.

h = (Thermal conductivity)/(Equivalent thickness of film)

Its unit is W/m²K.

Film coefficient is defined as the ratio of

Thermal conductivity to the equivalent thickness of the film of fluid

Temperature drop through the films of fluids to the thickness of film of fluids

Thickness of film of fluid to the thermal conductivity

Thickness of film of fluid to the temperature drop through the films of fluids

The correct answer is `No. 1: Thermal conductivity to the equivalent thickness of the film of fluid`

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Film coefficient is defined as the ratio of

Thermal conductivity to the equivalent thickness of the film of fluid

Temperature drop through the films of fluids to the thickness of film of fluids

Thickness of film of fluid to the thermal conductivity

Thickness of film of fluid to the temperature drop through the films of fluids

The correct answer is No. 1: Thermal conductivity to the equivalent thickness of the film of fluid

The correct answer is `No. 1: Thermal conductivity to the equivalent thickness of the film of fluid`