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

Question: If h1 = inner film co-efficient and /h2 = outer film co-efficient, then the overall heat transfer co-efficient is
[A].

always less than h1

[B].

always between h1 and h2

[C].

always higher than h2

[D].

dependent on metal resistance

Answer: Option B

Explanation:

No answer description available for this question.