A pipe of 10 cm diameter and 10 m length is used for condensing steam – McqOptions

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1.	A pipe of 10 cm diameter and 10 m length is used for condensing steam on its outer surface. The average heat transfer coefficient hh (when the pipe is horizontal) is n times the average heat transfer coefficient hv (when the pipe is vertical). The value of n is:
A.	2.44
B.	3.34
C.	4.43
D.	5.34
Answer» B. 3.34

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