If h₁ = inner film co-efficient and /h₂ = outer film co-efficient, then the overall heat transfer co-efficient is Options: A . &nbspAlways less than h₁ B . &nbspAlways between h₁ and h₂ C . &nbspAlways higher than h₂ D . &nbspDependent on metal resistance

If h₁ = inner film co-efficient and /h₂ = outer film co-efficient, then the

Question

If h₁ = inner film co-efficient and /h₂ = outer film co-efficient, then the overall heat transfer co-efficient is

Options:

A . Always less than h₁

B . Always between h₁ and h₂

C . Always higher than h₂

D . Dependent on metal resistance

Answer: Option B

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