A thin walled duct of 0.5 m diameter has been laid in an atmosphere of – McqOptions

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1.	A thin walled duct of 0.5 m diameter has been laid in an atmosphere of quiescent air at 15 degree Celsius and conveys a particular gas at 205 degree Celsius. Base your calculations on one meter length of the duct, estimate the convective coefficient of heat transfer
A.	5.086 W/m<sup>2</sup> K
B.	6.086 W/m<sup>2</sup> K
C.	7.086 W/m<sup>2</sup> K
D.	8.086 W/m<sup>2</sup> K
Answer» B. 6.086 W/m<sup>2</sup> K

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