In a fully trubulent flow through a rough pipe, the friction factor \['f'\] is (Re is the Reynolds number and \[{{\xi }_{s}}/D\] is relative roughness):

A function of \[{{\xi }_{s}}/D\]

A function of Re and \[{{\xi }_{s}}/D\]

Independent of Re and \[{{\xi }_{s}}/D\]

In a fully trubulent flow through a rough pipe, the friction factor \[

1.	In a fully trubulent flow through a rough pipe, the friction factor \['f'\] is (Re is the Reynolds number and \[{{\xi }_{s}}/D\] is relative roughness):
A.	A function of Re
B.	A function of Re and \[{{\xi }_{s}}/D\]
C.	A function of \[{{\xi }_{s}}/D\]
D.	Independent of Re and \[{{\xi }_{s}}/D\]
Answer» C. A function of \[{{\xi }_{s}}/D\]

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In a fully trubulent flow through a rough pipe, the friction factor \['f'\] is (Re is the Reynolds number and \[{{\xi }_{s}}/D\] is relative roughness):

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