Which of the following statement is an incorrect observationfrom the Moody’s diagram?
For a given relative roughness, the friction factor increaseswith increasing Reynolds number until the zone of completeturbulence is reached.
As the relative roughness increases, the value of the Reynoldsnumber at which the zone of complete turbulence begins alsoincreases.
Within the zone of complete turbulence, the Reynolds number hasno effect on the friction factor.
For a given Reynolds number of flow, as the relative roughnessis increased, the friction factor decreases.
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