If h‚Äö√á√Ö = inner film co-efficient and /h‚Äö√á√� – McqOptions

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1.	If h‚Äö√á√Ö = inner film co-efficient and /h‚Äö√á√á = outer film co-efficient, then the overall heat transfer co-efficient is%!
A.	Always less than h‚Äö√á√Ö
B.	Always between h‚Äö√á√Ö and h‚Äö√á√á
C.	Always higher than h‚Äö√á√á
D.	Dependent on metal resistance
Answer» C. Always higher than h‚Äö√á√á

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