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___________________?

(A) Relative roughness

(B) Absolute roughness

(C) Friction co-efficient for flows at equal Reynold number

(D) All

Submitted By :Ali Uppal

Question

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___________________?

(A) Relative roughness

(B) Absolute roughness

(C) Friction co-efficient for flows at equal Reynold number

(D) All

Submitted By :Ali Uppal