Convective heat transfer coefficients for air under natural convectio

1.	Convective heat transfer coefficients for air under natural convection is __________
A.	0.5 – 1000 (W/(m2K))
B.	50 – 3000 (W/(m2K))
C.	10 – 1000 (W/(m2K))
D.	50 – 10000 (W/(m2K))
Answer» B. 50 – 3000 (W/(m2K))

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