Relation between heat transfer coefficients of natural & forced convection - Heat Transfer

Q.  What is the relation between convection heat transfer coefficients of natural convection and forced convection?
- Published on 12 Aug 15

a. convection heat transfer coefficient of natural convection is lower than the convection heat transfer coefficient of forced convection
b. convection heat transfer coefficient of natural convection is more than the convection heat transfer coefficient of forced convection
c. convection heat transfer coefficients in both natural and forced convection are the same for same system
d. unpredictable

ANSWER: convection heat transfer coefficient of natural convection is lower than the convection heat transfer coefficient of forced convection

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