The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the __________ – McqOptions

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1.	The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the ____________?
A.	Colebrook formula
B.	Von-Karman equation
C.	Fanning equation
D.	None of these
Answer» C. Fanning equation

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