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Chemical Engineering
Fluid Mechanics for Chemical
Q
In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of___________________?
AA. Relative roughness
BB. Absolute roughness
CC. Friction co-efficient for flows at equal reynold number
DD. All a., b. & c.
Correct Answer:
C. C. Friction co-efficient for flows at equal reynold number
