Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement ?

Chemical Engineering Mcqs

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement ?

(A)  f1 = f2

(B)  f1 < f2

(C)  f1 > f2

(D)  Data not sufficient to relate f1 & f2

Submitted By :Ali Uppal

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