Question: Relative roughness D/ = Pipe diameter (D)/Average pipe wall roughness (). Consider an uncoated ductile iron pipe of inside diameter (0.0833 ft), velocity = 30

Relative roughness D/ = Pipe diameter (D)/Average pipe wall roughness (). Consider an uncoated ductile iron pipe of inside diameter (0.0833 ft), velocity = 30 ft/s; kinematic viscosity = 4.38 x 10-6 ft2/s. Determine the friction factor for this pipe. Given: 1 ft = 0.3048 m

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