For fully developed laminar flow through a circular pipe with Reynolds number Re the friction factor is

For fully developed laminar flow through a circular pipe with Reynolds

1.	For fully developed laminar flow through a circular pipe with Reynolds number Re the friction factor is
A.	Inversely proportional to Re
B.	Proportional to Re
C.	Proportional to square of Re
D.	Independent of Re
Answer» B. Proportional to Re

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For fully developed laminar flow through a circular pipe with Reynolds number Re the friction factor is

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