In convection heat transfer from hot flue gases to water tube, even th – McqOptions

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1.	In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by
A.	convection
B.	radiation
C.	conduction
D.	both convection and conduction
Answer» D. both convection and conduction

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