A liquid is heated by passing it through a circular pipe (kpipe = 15W/mK, viscosity = 2.5 10-5 Pa-s, Cp = 1000 J/Kg-K, kliquid = 0.035 W/mK) of ID = 25mm and OD = 30mm with length L = 15 m. If the Reynolds No. is 79000. What is the outer surface average heat transfer coefficient?

A liquid is heated by passing it through a circular pipe (kpipe = 15W/

1.	A liquid is heated by passing it through a circular pipe (k_pipe = 15W/mK, viscosity = 2.5 10^-5 Pa-s, C_p = 1000 J/Kg-K, k_liquid = 0.035 W/mK) of ID = 25mm and OD = 30mm with length L = 15 m. If the Reynolds No. is 79000. What is the outer surface average heat transfer coefficient?
A.	773KW/m<sup>2</sup>K
B.	83KW/m<sup>2</sup>K
C.	104KW/m<sup>2</sup>K
D.	43KW/m<sup>2</sup>K
Answer» C. 104KW/m<sup>2</sup>K

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A liquid is heated by passing it through a circular pipe (kpipe = 15W/mK, viscosity = 2.5 10-5 Pa-s, Cp = 1000 J/Kg-K, kliquid = 0.035 W/mK) of ID = 25mm and OD = 30mm with length L = 15 m. If the Reynolds No. is 79000. What is the outer surface average heat transfer coefficient?

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A liquid is heated by passing it through a circular pipe (k_pipe = 15W/mK, viscosity = 2.5 10^-5 Pa-s, C_p = 1000 J/Kg-K, k_liquid = 0.035 W/mK) of ID = 25mm and OD = 30mm with length L = 15 m. If the Reynolds No. is 79000. What is the outer surface average heat transfer coefficient?